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                            <b>2.1.1.</b>
                        
                        Escape Sequences
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                        Exit Status
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                        #!
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                        Interactive vs Non-Interactive Shell
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                        Login vs Non-Login Shell
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                        etc
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                            <b>3.</b>
                        
                        Test
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                            <b>3.1.</b>
                        
                        Operators
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                            <b>4.</b>
                        
                        Subshells
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                            <b>4.1.</b>
                        
                        Process Creation
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                            <b>5.</b>
                        
                        Commands
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                            <b>5.1.</b>
                        
                        Builtin Commands
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                            <b>5.1.1.</b>
                        
                        read
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                            <b>5.1.2.</b>
                        
                        printf
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                            <b>5.1.3.</b>
                        
                        eval
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                        getopts
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                        Keyword Commands
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                        Compound Commands
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                        Special Commands
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                        expr
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                        grep
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                        find
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                            <b>6.</b>
                        
                        Arrays
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                            <b>7.</b>
                        
                        Shell Metacharacters
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                            <b>7.1.</b>
                        
                        Precedence
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                            <b>8.</b>
                        
                        Expansions and Substitutions
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                            <b>8.1.</b>
                        
                        Brace Expansion
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                            <b>8.2.</b>
                        
                        Tilde Expansion
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                            <b>8.3.</b>
                        
                        Parameter Expansion
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                            <b>8.4.</b>
                        
                        Arithmetic Expansion
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                            <b>8.5.</b>
                        
                        Command Substitution
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                            <b>8.6.</b>
                        
                        Process Substitution
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                            <b>8.7.</b>
                        
                        Word Splitting
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                            <b>8.8.</b>
                        
                        Filename Expansion
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                            <b>9.</b>
                        
                        Job Control
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                            <b>9.1.</b>
                        
                        Session and Process Group
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                            <b>9.2.</b>
                        
                        Process State Codes
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                            <b>9.3.</b>
                        
                        TTY
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                            <b>9.4.</b>
                        
                        Mutual Exclusion
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                            <b>10.</b>
                        
                        Redirections
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                            <b>10.1.</b>
                        
                        File Descriptors
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                            <b>10.2.</b>
                        
                        &lt;&lt; , &lt;&lt;&lt;
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                            <b>10.3.</b>
                        
                        Pipe
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                            <b>10.4.</b>
                        
                        Named Pipe
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                            <b>10.5.</b>
                        
                        Buffering
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                            <b>11.</b>
                        
                        Signals and Traps
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                            <b>11.1.</b>
                        
                        kill
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                            <b>11.2.</b>
                        
                        trap
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                            <b>11.3.</b>
                        
                        Signals Table
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                            <b>12.</b>
                        
                        Command Aliases
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                            <b>13.</b>
                        
                        Command History
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        <li class="chapter " data-level="14" data-path="command_completion.html">
            
                
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                            <b>14.</b>
                        
                        Command Completion
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                            <b>15.</b>
                        
                        Readline
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                            <b>16.</b>
                        
                        Colors and Prompt
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        <li class="chapter " data-level="17" data-path="locale.html">
            
                
                    <a href="./locale.html">
                
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                            <b>17.</b>
                        
                        Locale
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        <li class="chapter " data-level="18" data-path="sh.html">
            
                
                    <a href="./sh.html">
                
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                            <b>18.</b>
                        
                        sh
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        <li class="chapter " data-level="19" data-path="debugging.html">
            
                
                    <a href="./debugging.html">
                
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                            <b>19.</b>
                        
                        Debugging
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        <li class="chapter " data-level="20" data-path="shell_variables.html">
            
                
                    <a href="./shell_variables.html">
                
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                            <b>20.</b>
                        
                        Shell Variables
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        <li class="chapter " data-level="20.1" data-path="positional_parameters.html">
            
                
                    <a href="./positional_parameters.html">
                
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                            <b>20.1.</b>
                        
                        Positional Parameters
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        <li class="chapter " data-level="20.2" data-path="special_parameters.html">
            
                
                    <a href="./special_parameters.html">
                
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                            <b>20.2.</b>
                        
                        Special Parameters
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        <li class="chapter " data-level="21" data-path="shell_options.html">
            
                
                    <a href="./shell_options.html">
                
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                            <b>21.</b>
                        
                        Shell Options
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        <li class="chapter " data-level="21.1" data-path="command_line_options.html">
            
                
                    <a href="./command_line_options.html">
                
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                            <b>21.1.</b>
                        
                        Command-line options
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                            <b>22.</b>
                        
                        Tips
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                            <b>23.</b>
                        
                        맺음말
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                            <b>24.</b>
                        
                        별책부록
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                    <section class="normal" id="section-">
                    
                        <h1 id="command-history">Command History</h1>
<p>&#xD130;&#xBBF8;&#xB110;&#xC744; &#xC5F4;&#xC5C8;&#xC744;&#xB54C; &#xC2E4;&#xD589;&#xB418;&#xB294; interactive shell &#xC5D0;&#xC11C;&#xB294; &#xBA85;&#xB839; history &#xAE30;&#xB2A5;&#xC744; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;. &#xBA85;&#xB839; history &#xB294; &#xC774;&#xC804;&#xC5D0; &#xD55C;&#xBC88; &#xC0AC;&#xC6A9;&#xD588;&#xB358; &#xBA85;&#xB839;&#xC744; &#xB2E4;&#xC2DC; &#xD0C0;&#xC785; &#xD560; &#xD544;&#xC694; &#xC5C6;&#xC774; &#xC7AC;&#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xAC8C; &#xD574;&#xC90D;&#xB2C8;&#xB2E4;. &#xD130;&#xBBF8;&#xB110; &#xBCC4;&#xB85C; history list &#xAC00; &#xC0DD;&#xC131;&#xB418;&#xBA70; &#xC0AC;&#xC6A9;&#xD55C; &#xBA85;&#xB839;&#xB4E4;&#xC774; &#xBAA9;&#xB85D;&#xC5D0; &#xCD94;&#xAC00;&#xB429;&#xB2C8;&#xB2E4;. &#xD130;&#xBBF8;&#xB110; &#xC885;&#xB8CC; &#xC2DC;&#xC5D0;&#xB294; <code>shopt -s histappend</code> &#xC635;&#xC158; &#xC124;&#xC815;&#xC5D0; &#xB530;&#xB77C; $HISTFILE &#xC5D0; &#xD604;&#xC7AC; history list &#xAC00; &#xC800;&#xC7A5;&#xB429;&#xB2C8;&#xB2E4;.</p>
<p>history &#xD655;&#xC7A5;&#xC5D0; &#xC0AC;&#xC6A9;&#xB418;&#xB294; &#xBB38;&#xC790;&#xB294; <code>!</code> &#xC778;&#xB370;
&#xBA85;&#xB839; &#xD589;&#xC0C1; &#xC5B4;&#xB290; &#xC704;&#xCE58;&#xC5D0;&#xC11C;&#xB4E0;&#xC9C0; <code>!</code> &#xBB38;&#xC790;&#xC5D0; &#xC774;&#xC5B4; <code>&#xACF5;&#xBC31; &#xC5C6;&#xC774; &#xB2E4;&#xB978; &#xBB38;&#xC790;&#xB098; &#xC22B;&#xC790;&#xAC00; &#xC624;&#xBA74;</code> history &#xD655;&#xC7A5;&#xC774; &#xB429;&#xB2C8;&#xB2E4;.
&#xC2EC;&#xC9C0;&#xC5B4; double quotes &#xC548;&#xC5D0;&#xC11C;&#xB3C4; &#xD655;&#xC7A5;&#xC774; &#xC77C;&#xC5B4;&#xB098;&#xBBC0;&#xB85C; &#xC8FC;&#xC758;&#xD574;&#xC57C; &#xD569;&#xB2C8;&#xB2E4;.
&#xD55C;&#xAC00;&#xC9C0; &#xC608;&#xC678;&#xC801;&#xC778; &#xACBD;&#xC6B0;&#xB294; <code>!=</code> &#xC778;&#xB370; <code>[</code> &#xBA85;&#xB839;&#xC5D0;&#xC11C; &#xC5F0;&#xC0B0;&#xC790;&#xB85C; &#xC0AC;&#xC6A9;&#xB418;&#xBBC0;&#xB85C; history &#xD655;&#xC7A5;&#xC5D0;&#xC11C; &#xC81C;&#xC678;&#xB429;&#xB2C8;&#xB2E4;.
<code>!</code> &#xBB38;&#xC790;&#xAC00; &#xBA85;&#xB839;&#xC774;&#xB984;&#xC758; &#xC704;&#xCE58;&#xC5D0; &#xC624;&#xACE0;  &#xB4A4;&#xC774;&#xC5B4; &#xACF5;&#xBC31;&#xC774; &#xC62C;&#xACBD;&#xC6B0;&#xB294; shell keyword &#xB85C; &#xC778;&#xC2DD;&#xB418;&#xC5B4; logical NOT &#xC758; &#xAE30;&#xB2A5;&#xC744; &#xD569;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ find ! -size <span class="hljs-number">0</span>        <span class="hljs-comment"># ! &#xBB38;&#xC790; &#xB4A4;&#xC5D0; &#xACF5;&#xBC31;&#xC774; &#xC624;&#xBBC0;&#xB85C; OK</span>

$ find !-size <span class="hljs-number">0</span>         <span class="hljs-comment"># &#xC774;&#xAC83;&#xC740; history &#xD655;&#xC7A5; &#xB300;&#xC0C1;&#xC73C;&#xB85C; &#xBA85;&#xB839;&#xC774; &#xC815;&#xC0C1;&#xC801;&#xC73C;&#xB85C; &#xC2E4;&#xD589;&#xB418;&#xC9C0; &#xC54A;&#xB294;&#xB2E4;.</span>
bash: !-size: event not found

$ ! <span class="hljs-built_in">test</span> <span class="hljs-operator">-s</span> emptyfile   <span class="hljs-comment"># logical NOT &#xC258; &#xD0A4;&#xC6CC;&#xB4DC; (! &#xBB38;&#xC790;&#xAC00; &#xBA85;&#xB839; &#xC704;&#xCE58;&#xC5D0; &#xC624;&#xACE0; &#xC774;&#xC5B4; &#xACF5;&#xBC31;&#xC774; &#xC624;&#xBBC0;&#xB85C;)</span>
</code></pre>
<blockquote>
<p>Command history &#xD655;&#xC7A5;&#xC740; shell prompt &#xC0C1;&#xC5D0;&#xC11C;&#xB9CC; &#xC791;&#xB3D9;&#xD558;&#xB294; &#xAE30;&#xB2A5;&#xC785;&#xB2C8;&#xB2E4;.<br>&#xADF8;&#xB7EC;&#xBBC0;&#xB85C; Non-interactive shell &#xC778; &#xC2A4;&#xD06C;&#xB9BD;&#xD2B8; &#xC2E4;&#xD589;&#xC2DC;&#xC5D0;&#xB294; &#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C; disable &#xB429;&#xB2C8;&#xB2E4;.</p>
</blockquote>
<h3 id="&#xBA85;&#xB839;-&#xB77C;&#xC778;&#xC744;-&#xCC3E;&#xB294;-&#xBC29;&#xBC95;">&#xBA85;&#xB839; &#xB77C;&#xC778;&#xC744; &#xCC3E;&#xB294; &#xBC29;&#xBC95;</h3>
<p>&#xD504;&#xB86C;&#xD504;&#xD2B8;&#xC5D0;&#xC11C; <code>history</code> &#xBA85;&#xB839;&#xC744; &#xC2E4;&#xD589;&#xD558;&#xBA74; &#xD604;&#xC7AC; history list &#xC5D0; &#xC788;&#xB294; &#xBAA9;&#xB85D;&#xB4E4;&#xC774; &#xBC88;&#xD638;&#xC640; &#xD568;&#xAED8; &#xD45C;&#xC2DC;&#xB429;&#xB2C8;&#xB2E4;. &#xC774; &#xBC88;&#xD638;&#xB294; &#xD574;&#xB2F9; &#xBA85;&#xB839; &#xB77C;&#xC778;&#xC744; &#xC9C0;&#xC815;&#xD560;&#xB54C; &#xC0AC;&#xC6A9;&#xB429;&#xB2C8;&#xB2E4;.</p>
<h3 id="n">!n</h3>
<p>n &#xBC88; &#xBA85;&#xB839;&#xC744; &#xB9AC;&#xD134;&#xD569;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ !<span class="hljs-number">2145</span>
lsb_release <span class="hljs-operator">-d</span>
Description:    Ubuntu <span class="hljs-number">15.04</span>

$ <span class="hljs-built_in">echo</span> <span class="hljs-built_in">command</span> <span class="hljs-built_in">history</span> : !<span class="hljs-number">2145</span>
<span class="hljs-built_in">command</span> <span class="hljs-built_in">history</span> : lsb_release <span class="hljs-operator">-d</span>
</code></pre>
<h3 id="">!!</h3>
<p>&#xBC14;&#xB85C; &#xC774;&#xC804; &#xBA85;&#xB839;&#xC744; &#xB098;&#xD0C0;&#xB0C5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ <span class="hljs-built_in">history</span>
...
    <span class="hljs-number">3</span>  ps f
    <span class="hljs-number">4</span>  cat README.md
    <span class="hljs-number">5</span>  find * -name <span class="hljs-string">&apos;*.log&apos;</span> -size +<span class="hljs-number">10</span>M -exec rm <span class="hljs-operator">-f</span> {} \;
$ !!
find * -name <span class="hljs-string">&apos;*.log&apos;</span> -size +<span class="hljs-number">10</span>M -exec rm <span class="hljs-operator">-f</span> {} \;
</code></pre>
<h3 id="n">!-n</h3>
<p>&#xC774;&#xC804; n &#xBC88;&#xC9F8; &#xBA85;&#xB839;&#xC744; &#xB098;&#xD0C0;&#xB0C5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ <span class="hljs-built_in">history</span>
...
    <span class="hljs-number">3</span>  date
    <span class="hljs-number">4</span>  ps f
    <span class="hljs-number">5</span>  find * -name <span class="hljs-string">&apos;*.log&apos;</span>

$ !-<span class="hljs-number">1</span>
find * -name <span class="hljs-string">&apos;*.log&apos;</span>

$ !-<span class="hljs-number">2</span>
ps f

$ !-<span class="hljs-number">3</span>
date
</code></pre>
<h3 id="string">!string</h3>
<p>&#xBA85;&#xB839; &#xC774;&#xB984;&#xC774; string &#xC73C;&#xB85C; &#xC2DC;&#xC791;&#xD558;&#xB294; &#xAC00;&#xC7A5; &#xCD5C;&#xADFC; &#xBA85;&#xB839;&#xC744; &#xCC3E;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ <span class="hljs-built_in">history</span>
...
    <span class="hljs-number">3</span>  find * -name <span class="hljs-string">&apos;*.log&apos;</span> -size +<span class="hljs-number">10</span>M -exec rm <span class="hljs-operator">-f</span> {} \;
    <span class="hljs-number">4</span>  find * -name <span class="hljs-string">&apos;*.log&apos;</span>
    <span class="hljs-number">5</span>  ps f

$ !<span class="hljs-keyword">fi</span>
find * -name <span class="hljs-string">&apos;*.log&apos;</span>
</code></pre>
<h3 id="string">!?string[?]</h3>
<p>&#xC774;&#xAC74; &#xBA85;&#xB839;&#xC774;&#xB984;&#xC744; &#xAC80;&#xC0C9;&#xD558;&#xB294;&#xAC8C; &#xC544;&#xB2C8;&#xACE0; &#xC804;&#xCCB4; &#xBA85;&#xB839;&#xB77C;&#xC778; &#xC911;&#xC5D0; string &#xC774; &#xD3EC;&#xD568;&#xB3FC; &#xC788;&#xB294;&#xC9C0;&#xB97C; &#xCC3E;&#xC2B5;&#xB2C8;&#xB2E4;. &#xAC00;&#xC7A5; &#xCD5C;&#xADFC;&#xC5D0; &#xB9E4;&#xCE6D;&#xC774; &#xB418;&#xB294; &#xB77C;&#xC778;&#xC744; &#xB9AC;&#xD134;&#xD569;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ <span class="hljs-built_in">history</span>
...
    <span class="hljs-number">3</span>  find * -name <span class="hljs-string">&quot;*.tmp&quot;</span> -o -name <span class="hljs-string">&quot;*.old&quot;</span>
    <span class="hljs-number">4</span>  find * -name <span class="hljs-string">&quot;*.tmp&quot;</span>
    <span class="hljs-number">5</span>  find * -name <span class="hljs-string">&quot;*.log&quot;</span>

$ !?tmp
find * -name <span class="hljs-string">&quot;*.tmp&quot;</span>

<span class="hljs-comment"># &#xB4A4;&#xC5D0; &apos;?&apos; &#xB97C; &#xBD99;&#xC774;&#xBA74; &#xC5F0;&#xC774;&#xC5B4; &#xBA85;&#xB839;&#xC744; &#xC791;&#xC131;&#xD560; &#xC218; &#xC788;&#xB2E4;.</span>
$ !?tmp? -exec rm <span class="hljs-operator">-f</span> {} \;
find * -name <span class="hljs-string">&quot;*.tmp&quot;</span> -exec rm <span class="hljs-operator">-f</span> {} \;

<span class="hljs-comment"># &#xB4A4;&#xC5D0; &apos;?&apos; &#xB97C; &#xC548;&#xBD99;&#xC77C; &#xACBD;&#xC6B0; &#xC624;&#xB958;</span>
$ !?tmp -exec rm <span class="hljs-operator">-f</span> {} \;
bash: !?tmp -exec rm <span class="hljs-operator">-f</span> {} \;: event not found
</code></pre>
<h3 id="oldnew">^old^new</h3>
<p>&#xC774;&#xC804; &#xBA85;&#xB839;&#xC5D0;&#xC11C; &#xCC98;&#xC74C;&#xC5D0; &#xB9E4;&#xCE6D;&#xB418;&#xB294; &#xD558;&#xB098;&#xB9CC; &#xBCC0;&#xACBD;&#xB429;&#xB2C8;&#xB2E4;. <code>!!:s/string1/string2/</code> &#xC640; &#xAC19;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ mkdir -p <span class="hljs-built_in">test</span>/exp/scenario/

$ ^exp^lab  

$ mkdir -p <span class="hljs-built_in">test</span>/lab/scenario/
</code></pre>
<h3 id="">!#</h3>
<p>&#xC774;&#xAC83;&#xC740; &#xC774;&#xC804; &#xBA85;&#xB839;&#xC774; &#xC544;&#xB2C8;&#xB77C; &#xD604;&#xC7AC; &#xD504;&#xB86C;&#xD504;&#xD2B8; &#xC0C1;&#xC5D0;&#xC11C; &#xC791;&#xC131; &#xC911;&#xC778; &#xBA85;&#xB839;&#xC744; &#xB098;&#xD0C0;&#xB0C5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ <span class="hljs-built_in">echo</span> <span class="hljs-number">111</span> <span class="hljs-number">222</span> <span class="hljs-number">333</span> !<span class="hljs-comment">#:1  # &#xCCAB;&#xBC88;&#xC9F8; &#xC778;&#xC218;</span>
$ <span class="hljs-built_in">echo</span> <span class="hljs-number">111</span> <span class="hljs-number">222</span> <span class="hljs-number">333</span> <span class="hljs-number">111</span>

$ <span class="hljs-built_in">echo</span> <span class="hljs-number">111</span> <span class="hljs-number">222</span> <span class="hljs-number">333</span> !<span class="hljs-comment">#:2  # &#xB450;&#xBC88;&#xC9F8; &#xC778;&#xC218;</span>
$ <span class="hljs-built_in">echo</span> <span class="hljs-number">111</span> <span class="hljs-number">222</span> <span class="hljs-number">333</span> <span class="hljs-number">222</span>

$ mv long/path/name/oldname !<span class="hljs-comment">#$    # &#xB9C8;&#xC9C0;&#xB9C9; &#xC778;&#xC218;</span>
$ mv long/path/name/oldname long/path/name/oldname
</code></pre>
<video width="766" height="340" controls preload="auto">
  <source src="images/command_history_ex.mp4" type="video/mp4">
  Your browser does not support the video tag.
</video>


<h3 id="&#xCC3E;&#xC740;-&#xBA85;&#xB839;-&#xB77C;&#xC778;&#xC5D0;&#xC11C;-&#xC6D0;&#xD558;&#xB294;-&#xC778;&#xC218;&#xB97C;-&#xC9C0;&#xC815;&#xD558;&#xB294;-&#xBC29;&#xBC95;">&#xCC3E;&#xC740; &#xBA85;&#xB839; &#xB77C;&#xC778;&#xC5D0;&#xC11C; &#xC6D0;&#xD558;&#xB294; &#xC778;&#xC218;&#xB97C; &#xC9C0;&#xC815;&#xD558;&#xB294; &#xBC29;&#xBC95;</h3>
<p>&#xBA85;&#xB839; &#xB77C;&#xC778;&#xC744; &#xC9C0;&#xC815;&#xD55C; &#xD6C4;&#xC5D0; <code>:</code> &#xBB38;&#xC790;&#xB97C; &#xBD99;&#xC778; &#xD6C4; &#xC6D0;&#xD558;&#xB294; &#xC778;&#xC218;&#xB4E4;&#xC744; &#xC9C0;&#xC815;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.
0 &#xBC88;&#xC740; &#xBA85;&#xB839;&#xC744; &#xB098;&#xD0C0;&#xB0B4;&#xACE0; &#xC774;&#xD6C4; &#xC778;&#xC218;&#xB4E4;&#xC740; 1, 2, 3 ... &#xBC88;&#xC73C;&#xB85C; &#xC9C0;&#xC815;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ touch home foo bar tmp <span class="hljs-built_in">log</span>

$ !tou:<span class="hljs-number">0</span>        <span class="hljs-comment"># 0 &#xBC88;&#xC740; &#xBA85;&#xB839;</span>
touch

$ !tou:<span class="hljs-number">1</span>        <span class="hljs-comment"># 1 &#xBC88;&#xC740; &#xCCAB;&#xBC88;&#xC9F8; &#xC778;&#xC218;</span>
home

$ !tou:<span class="hljs-number">2</span>        <span class="hljs-comment"># 2 &#xBC88;&#xC740; &#xB450;&#xBC88;&#xC9F8; &#xC778;&#xC218;</span>
foo

$ !tou:<span class="hljs-number">2</span>-<span class="hljs-number">4</span>      <span class="hljs-comment"># &apos;-&apos; &#xB97C; &#xC774;&#xC6A9;&#xD574; &#xBC94;&#xC704;&#xB97C; &#xC9C0;&#xC815;</span>
foo bar tmp

$ !tou:*        <span class="hljs-comment"># &apos;*&apos; &#xB294; &#xBAA8;&#xB4E0; &#xC778;&#xC218;&#xB97C; &#xB098;&#xD0C0;&#xB0C5;&#xB2C8;&#xB2E4;.</span>
home foo bar tmp <span class="hljs-built_in">log</span>

$ !tou:<span class="hljs-number">3</span>*       <span class="hljs-comment"># &apos;3*&apos; &#xC740; 3 &#xBC88;&#xC9F8; &#xC778;&#xC218;&#xBD80;&#xD130; &#xB05D;&#xAE4C;&#xC9C0;</span>
bar tmp <span class="hljs-built_in">log</span>

$ !tou:^        <span class="hljs-comment"># &apos;^&apos; &#xB294; &#xCCAB;&#xBC88;&#xC9F8; &#xC778;&#xC218;&#xB97C; &#xB098;&#xD0C0;&#xB0B4;&#xBA70; !tou:1 &#xC640; &#xAC19;&#xC2B5;&#xB2C8;&#xB2E4;. </span>
home

$ !tou:$        <span class="hljs-comment"># &apos;$&apos; &#xB294; &#xB9C8;&#xC9C0;&#xB9C9; &#xC778;&#xC218;&#xB97C; &#xB098;&#xD0C0;&#xB0C5;&#xB2C8;&#xB2E4;.</span>
<span class="hljs-built_in">log</span>
</code></pre>
<h4 id="&#xBA85;&#xB839;&#xB77C;&#xC778;-&#xC9C0;&#xC815;&#xC744;-&#xC0DD;&#xB7B5;&#xD558;&#xBA74;-&#xBC14;&#xB85C;-&#xC774;&#xC804;-&#xBA85;&#xB839;&#xC774;-&#xC0AC;&#xC6A9;&#xB429;&#xB2C8;&#xB2E4;">&#xBA85;&#xB839;&#xB77C;&#xC778; &#xC9C0;&#xC815;&#xC744; &#xC0DD;&#xB7B5;&#xD558;&#xBA74; &#xBC14;&#xB85C; &#xC774;&#xC804; &#xBA85;&#xB839;&#xC774; &#xC0AC;&#xC6A9;&#xB429;&#xB2C8;&#xB2E4;.</h4>
<pre><code class="lang-bash">$ <span class="hljs-built_in">echo</span> <span class="hljs-number">11</span> <span class="hljs-number">22</span> <span class="hljs-number">33</span> <span class="hljs-number">44</span>
<span class="hljs-number">11</span> <span class="hljs-number">22</span> <span class="hljs-number">33</span> <span class="hljs-number">44</span>

$ !:<span class="hljs-number">0</span>
<span class="hljs-built_in">echo</span> 

$ !:<span class="hljs-number">1</span>
<span class="hljs-number">11</span>

$ !:<span class="hljs-number">2</span>-<span class="hljs-number">4</span>
<span class="hljs-number">22</span> <span class="hljs-number">33</span> <span class="hljs-number">44</span>

$ !*
<span class="hljs-number">11</span> <span class="hljs-number">22</span> <span class="hljs-number">33</span> <span class="hljs-number">44</span>

$ !^
<span class="hljs-number">11</span>

$ !$
<span class="hljs-number">44</span>
</code></pre>
<h3 id="&#xC9C0;&#xC815;&#xD55C;-&#xB77C;&#xC778;-&#xC778;&#xC218;&#xC5D0;-modifiers-&#xC801;&#xC6A9;&#xD558;&#xAE30;">&#xC9C0;&#xC815;&#xD55C; &#xB77C;&#xC778;, &#xC778;&#xC218;&#xC5D0; modifiers &#xC801;&#xC6A9;&#xD558;&#xAE30;</h3>
<p>&#xB77C;&#xC778;&#xC744; &#xC9C0;&#xC815;&#xD55C; &#xB4A4;, &#xB610;&#xB294; &#xC778;&#xC218;&#xB4E4;&#xC744; &#xC9C0;&#xC815;&#xD55C; &#xB4A4;&#xC5D0; <code>:</code> &#xBB38;&#xC790;&#xB97C; &#xBD99;&#xC778; &#xD6C4; modifiers &#xB97C; &#xC801;&#xC6A9;&#xC2DC;&#xD0AC; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<h4 id="soldnew">s/old/new/</h4>
<p>&#xC9C0;&#xC815;&#xD55C; &#xBA85;&#xB839;&#xB77C;&#xC778;&#xC5D0;&#xC11C; old &#xC5D0; &#xD574;&#xB2F9;&#xD558;&#xB294; &#xC2A4;&#xD2B8;&#xB9C1;&#xC744; new &#xB85C; &#xBCC0;&#xACBD;&#xD569;&#xB2C8;&#xB2E4;. new &#xBD80;&#xBD84;&#xC5D0; <code>&amp;</code> &#xBB38;&#xC790;&#xAC00; &#xC624;&#xBA74; old &#xB85C; &#xB300;&#xCCB4;&#xB429;&#xB2C8;&#xB2E4;. &#xAE30;&#xBCF8;&#xC801;&#xC73C;&#xB85C; &#xCC98;&#xC74C;&#xC5D0; &#xB9E4;&#xCE6D;&#xB418;&#xB294; &#xD558;&#xB098;&#xB9CC; &#xC801;&#xC6A9;&#xB418;&#xBA70; &#xBAA8;&#xB450;&#xC5D0; &#xC801;&#xC6A9;&#xD558;&#xB824;&#xBA74; <code>g</code> &#xC635;&#xC158;&#xC744; &#xCD94;&#xAC00;&#xD569;&#xB2C8;&#xB2E4;. </p>
<pre><code class="lang-bash">$ mv foo.htm foo.html

<span class="hljs-comment"># &#xCC98;&#xC74C; &#xD558;&#xB098;&#xB9CC; &#xBCC0;&#xACBD;&#xB41C;&#xB2E4;</span>
$ !:s/foo/bar
mv bar.htm foo.html

<span class="hljs-comment"># &apos;g&apos; &#xC635;&#xC158;&#xC744; &#xCD94;&#xAC00;&#xD558;&#xBA74; &#xBAA8;&#xB450; &#xBCC0;&#xACBD;&#xB41C;&#xB2E4;.</span>
$ !:gs/foo/bar
mv bar.htm bar.html
</code></pre>
<h4 id="&#xD30C;&#xC77C;-&#xACBD;&#xB85C;&#xBA85;&#xC5D0;&#xC11C;-&#xD30C;&#xC77C;&#xBA85;-&#xBD84;&#xB958;&#xD558;&#xAE30;">&#xD30C;&#xC77C; &#xACBD;&#xB85C;&#xBA85;&#xC5D0;&#xC11C; &#xD30C;&#xC77C;&#xBA85; &#xBD84;&#xB958;&#xD558;&#xAE30;</h4>
<pre><code class="lang-bash">$ cat /home/foo/readme.txt

$ !:h                   <span class="hljs-comment"># &apos;h&apos; &#xB294; head &#xB97C; &#xC758;&#xBBF8;</span>
cat /home/foo           <span class="hljs-comment"># cat &#xBA85;&#xB839;&#xC774; &#xD568;&#xAED8; &#xD3EC;&#xD568;&#xB428;</span>

$ !:t                   <span class="hljs-comment"># &apos;t&apos; &#xB294; tail &#xC744; &#xC758;&#xBBF8;</span>
readme.txt

$ !:h/AA                <span class="hljs-comment"># &#xC5F0;&#xC774;&#xC5B4; &#xBA85;&#xB839;&#xC744; &#xC791;&#xC131;&#xD560; &#xC218; &#xC788;&#xB2E4;.</span>
cat /home/foo/AA

$ !:<span class="hljs-number">1</span>:h                 <span class="hljs-comment"># &apos;:1&apos; &#xC778;&#xC218;&#xC5D0;&#xC11C; head &#xB97C; &#xAD6C;&#xD568;</span>
/home/foo
</code></pre>
<h4 id="&#xD30C;&#xC77C;-&#xACBD;&#xB85C;&#xBA85;&#xC5D0;&#xC11C;-&#xD655;&#xC7A5;&#xC790;-&#xBD84;&#xB958;&#xD558;&#xAE30;">&#xD30C;&#xC77C; &#xACBD;&#xB85C;&#xBA85;&#xC5D0;&#xC11C; &#xD655;&#xC7A5;&#xC790; &#xBD84;&#xB958;&#xD558;&#xAE30;</h4>
<pre><code class="lang-bash">$ cat /home/foo/readme.txt

$ !:r                        <span class="hljs-comment"># &#xD655;&#xC7A5;&#xC790;&#xB97C; remove</span>
cat /home/foo/readme

$ !:r.old
cat /home/foo/readme.old

$ !:e                        <span class="hljs-comment"># &#xD655;&#xC7A5;&#xC790; (extension) &#xB9CC; &#xAD6C;&#xD568;.</span>
.txt
</code></pre>
<h4 id="&#xACB0;&#xACFC;&#xBB3C;-quoting-&#xD558;&#xAE30;">&#xACB0;&#xACFC;&#xBB3C; quoting &#xD558;&#xAE30;</h4>
<pre><code class="lang-bash">$ <span class="hljs-built_in">echo</span> foo bar tmp

$ !:<span class="hljs-number">2</span>-<span class="hljs-number">3</span>:q
<span class="hljs-string">&apos;bar tmp&apos;</span>

$ !:q                       <span class="hljs-comment"># &#xC804;&#xCCB4; &#xB77C;&#xC778;&#xC774; quote &#xB41C;&#xB2E4;.</span>
<span class="hljs-string">&apos;echo foo bar tmp&apos;</span>

$ !:*:x                     <span class="hljs-comment"># space &#xB85C; &#xBD84;&#xB9AC;&#xB418;&#xC5B4; &#xAC01;&#xAC01; quote &#xB41C;&#xB2E4;.</span>
<span class="hljs-string">&apos;foo&apos;</span> <span class="hljs-string">&apos;bar&apos;</span> <span class="hljs-string">&apos;tmp&apos;</span>
</code></pre>
<h4 id="&#xC2E4;&#xD589;-&#xAE08;&#xC9C0;&#xD558;&#xAE30;">&#xC2E4;&#xD589; &#xAE08;&#xC9C0;&#xD558;&#xAE30;</h4>
<p>history &#xD655;&#xC7A5;&#xC774; &#xB418;&#xBA74; &#xBC14;&#xB85C; &#xACB0;&#xACFC;&#xBB3C;&#xC774; &#xC2E4;&#xD589;&#xB418;&#xB294;&#xB370; <code>p</code> &#xC635;&#xC158;&#xC744; &#xBD99;&#xC774;&#xBA74; &#xACB0;&#xACFC;&#xB9CC; &#xD45C;&#xC2DC;&#xD558;&#xACE0; &#xC2E4;&#xD589;&#xC744; &#xAE08;&#xC9C0;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;. </p>
<pre><code class="lang-bash">$ mv foo bar

$ !mv:s/foo/boo/:p      <span class="hljs-comment"># &#xACB0;&#xACFC;&#xB9CC; &#xD504;&#xB9B0;&#xD2B8;&#xB418;&#xACE0; &#xC2E4;&#xD589;&#xC740; &#xB418;&#xC9C0; &#xC54A;&#xB294;&#xB2E4;</span>
mv boo bar
</code></pre>
<p><a name="double_quotes"></a></p>
<h3 id="double-quotes-&#xACFC;-history-&#xD655;&#xC7A5;">Double quotes &#xACFC; history &#xD655;&#xC7A5;</h3>
<p>History &#xD655;&#xC7A5;&#xC740; double quotes &#xB0B4;&#xC5D0;&#xC11C;&#xB3C4; &#xC77C;&#xC5B4;&#xB098;&#xBBC0;&#xB85C; &#xC8FC;&#xC758;&#xD574;&#xC57C; &#xD569;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ lsb_relase <span class="hljs-operator">-d</span>
Description:    Ubuntu <span class="hljs-number">15.04</span>

$ <span class="hljs-built_in">echo</span> <span class="hljs-built_in">command</span> <span class="hljs-built_in">history</span> : !lsb
<span class="hljs-built_in">command</span> <span class="hljs-built_in">history</span> : lsb_release <span class="hljs-operator">-d</span>

$ <span class="hljs-built_in">echo</span> <span class="hljs-string">&quot;hello!lsb world&quot;</span>          <span class="hljs-comment"># double quotes &#xC5D0;&#xC11C;&#xB3C4; history &#xD655;&#xC7A5;&#xC774; &#xB41C;&#xB2E4;.</span>
hellolsb_relase <span class="hljs-operator">-d</span> world<span class="hljs-string">&quot;

$ echo &quot;</span>hello!<span class="hljs-number">516</span>world<span class="hljs-string">&quot;            
hellolsb_release -dworld   

$ echo &apos;hello!516world&apos;           # single quotes &#xC5D0;&#xC11C;&#xB294; &#xD655;&#xC7A5;&#xC774; &#xC548;&#xB41C;&#xB2E4;.
hello!516world
</span></code></pre>
<p>Double quotes &#xC0AC;&#xC6A9;&#xC2DC; &#xB2E4;&#xC74C;&#xACFC; &#xAC19;&#xC774; history &#xD655;&#xC7A5;&#xC744; &#xD68C;&#xD53C;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">$ <span class="hljs-built_in">echo</span> <span class="hljs-string">&quot;hello&quot;</span>\!<span class="hljs-string">&quot;lsb world&quot;</span>      
hello!lsb world

$ edho <span class="hljs-string">&quot;hello&quot;</span><span class="hljs-string">&apos;!&apos;</span><span class="hljs-string">&quot;516world&quot;</span>
hello!<span class="hljs-number">516</span>world

<span class="hljs-comment"># sed &#xBA85;&#xB839;&#xC73C;&#xB85C; &quot;2016 12-10&quot; &#xC640; &#xB9E4;&#xCE6D;&#xB418;&#xC9C0; &#xC54A;&#xB294; &#xB77C;&#xC778;&#xC744; &#xC0AD;&#xC81C;&#xD558;&#xB824;&#xACE0; &#xD558;&#xC9C0;&#xB9CC; !d &#xC5D0;&#xC11C;</span>
<span class="hljs-comment"># history &#xD655;&#xC7A5;&#xC774; &#xB418;&#xC5B4; &#xC815;&#xC0C1;&#xC801;&#xC73C;&#xB85C; &#xC2E4;&#xD589;&#xB418;&#xC9C0; &#xC54A;&#xB294;&#xB2E4;.</span>
$ search=<span class="hljs-string">&quot;2016 12-10&quot;</span>
$ sed <span class="hljs-string">&quot;/<span class="hljs-variable">$search</span>/!d&quot;</span> file.txt
ERR
$ sed <span class="hljs-string">&quot;/<span class="hljs-variable">$search</span>/&quot;</span><span class="hljs-string">&apos;!d&apos;</span> file.txt
</code></pre>
<h3 id="history-&#xAD00;&#xB828;-&#xD658;&#xACBD;-&#xBCC0;&#xC218;">History &#xAD00;&#xB828; &#xD658;&#xACBD; &#xBCC0;&#xC218;</h3>
<ul>
<li><p><strong>HISTIGNORE</strong></p>
<p>history &#xB9AC;&#xC2A4;&#xD2B8;&#xC5D0; &#xC800;&#xC7A5;&#xD560;&#xB54C; &#xC81C;&#xC678;&#xC2DC;&#xD0AC; &#xBA85;&#xB839;&#xD328;&#xD134;&#xC744; <code>:</code> &#xB85C; &#xBD84;&#xB9AC;&#xD558;&#xC5EC; &#xB4F1;&#xB85D;&#xD569;&#xB2C8;&#xB2E4;.</p>
<pre><code class="lang-bash">HISTIGNORE=<span class="hljs-string">&apos;ls:ls -al:cd:bg:fg:history&apos;</span>
</code></pre>
</li>
<li><p><strong>HISTFILESIZE</strong></p>
<p>history &#xD30C;&#xC77C;&#xC5D0; &#xC800;&#xC7A5;&#xB420; &#xCD5C;&#xB300; &#xB77C;&#xC778;&#xC218;&#xB97C; &#xB098;&#xD0C0;&#xB0C5;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<ul>
<li><p><strong>HISTSIZE</strong></p>
<p>history &#xB9AC;&#xC2A4;&#xD2B8;&#xC5D0; &#xAE30;&#xC5B5;&#xB420; &#xCD5C;&#xB300; &#xBA85;&#xB839;&#xC218;&#xB97C; &#xB098;&#xD0C0;&#xB0C5;&#xB2C8;&#xB2E4;. &#xB514;&#xD3F4;&#xD2B8; &#xAC12;&#xC740; 500 &#xC785;&#xB2C8;&#xB2E4;. </p>
</li>
<li><p><strong>HISTFILE</strong></p>
<p>history &#xB97C; &#xC800;&#xC7A5;&#xD560; &#xD30C;&#xC77C;&#xC744; &#xC9C0;&#xC815;&#xD569;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<ul>
<li><p><strong>HISTCONTROL</strong></p>
<p>&#xBA85;&#xB839; history &#xC758; &#xC791;&#xB3D9;&#xBC29;&#xC2DD;&#xC744; <code>:</code> &#xB85C; &#xBD84;&#xB9AC;&#xD558;&#xC5EC; &#xC124;&#xC815;&#xD560;&#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.  </p>
<ul>
<li><strong>ignorespace</strong> : space &#xB85C; &#xC2DC;&#xC791;&#xD558;&#xB294; &#xBA85;&#xB839;&#xB77C;&#xC778;&#xC744; history &#xC5D0; &#xC800;&#xC7A5;&#xD558;&#xC9C0; &#xC54A;&#xC2B5;&#xB2C8;&#xB2E4;.</li>
<li><strong>ignoredups</strong> : &#xC774;&#xC804; history &#xBA85;&#xB839;&#xACFC; &#xC911;&#xBCF5;&#xB420;&#xACBD;&#xC6B0; &#xC800;&#xC7A5;&#xD558;&#xC9C0; &#xC54A;&#xC2B5;&#xB2C8;&#xB2E4;.</li>
<li><strong>ignoreboth</strong> : ignorespace:ignoredups &#xC640; &#xAC19;&#xC2B5;&#xB2C8;&#xB2E4;.</li>
<li><strong>erasedups</strong> : &#xC774;&#xC804; &#xBAA8;&#xB4E0; history &#xB77C;&#xC778;&#xC744; &#xBE44;&#xAD50;&#xD558;&#xC5EC; &#xC911;&#xBCF5;&#xB41C; history &#xB97C; &#xC81C;&#xAC70;&#xD55C;&#xD6C4; &#xC800;&#xC7A5;&#xD569;&#xB2C8;&#xB2E4;.</li>
</ul>
</li>
</ul>
<ul>
<li><p><strong>HISTTIMEFORMAT</strong></p>
<p>history &#xBC88;&#xD638;&#xC5D0; &#xC774;&#xC5B4; timestamp &#xB97C; &#xBD99;&#xC77C; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;. history file &#xC5D0;&#xB3C4; &#xC800;&#xC7A5;&#xB429;&#xB2C8;&#xB2E4;.<br>&#xC608;) export HISTTIMEFORMAT=&quot;%F %T  &quot;</p>
</li>
</ul>
<h3 id="history-&#xAD00;&#xB828;-&#xC635;&#xC158;">History &#xAD00;&#xB828; &#xC635;&#xC158;</h3>
<h3 id="set">Set</h3>
<ul>
<li><p><strong>history</strong></p>
<p>&#xBA85;&#xB839; history &#xAE30;&#xB2A5;&#xC744; enable, disable &#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
</li>
<li><p><strong>-H | histexpand</strong></p>
<p><code>!</code> &#xBB38;&#xC790;&#xB97C; &#xC774;&#xC6A9;&#xD55C; history &#xD655;&#xC7A5; &#xAE30;&#xB2A5;&#xC744; &#xC81C;&#xACF5;&#xD569;&#xB2C8;&#xB2E4;.
<code>set -o history</code> &#xC774; &#xC124;&#xC815;&#xB3FC;&#xC788;&#xC5B4;&#xC57C; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<h3 id="shopt">Shopt</h3>
<ul>
<li><p><strong>cmdhist</strong></p>
<p>multiple-line &#xBA85;&#xB839;&#xC744; &#xC791;&#xC131;&#xD560; &#xACBD;&#xC6B0; &#xBA85;&#xB839; &#xC904;&#xB4E4;&#xC774; &#xAC01;&#xAC01; &#xB2E4;&#xB978; history &#xBC88;&#xD638;&#xB85C; &#xD560;&#xB2F9;&#xB3FC;&#xC11C; &#xB2E4;&#xC74C;&#xC5D0; &#xC7AC;&#xC0AC;&#xC6A9;&#xD558;&#xAE30;&#xAC00; &#xC5B4;&#xB824;&#xC6B4;&#xB370; &#xC774; &#xC635;&#xC158;&#xC744; &#xC0AC;&#xC6A9;&#xD558;&#xBA74; newline &#xC744; <code>;</code> &#xB85C; &#xCE58;&#xD658;&#xD574;&#xC11C; &#xC800;&#xC7A5;&#xD574; &#xC90D;&#xB2C8;&#xB2E4;. <code>lithist</code> &#xC635;&#xC158;&#xACFC; &#xAC19;&#xC774; &#xC0AC;&#xC6A9;&#xD558;&#xBA74; newline &#xB3C4; &#xADF8;&#xB300;&#xB85C; &#xC720;&#xC9C0;&#xB429;&#xB2C8;&#xB2E4;. </p>
</li>
</ul>
<ul>
<li><p><strong>lithist</strong></p>
<p>multiple-line &#xBA85;&#xB839;&#xC744; &#xC791;&#xC131;&#xD560; &#xACBD;&#xC6B0; newline &#xC744; &#xC720;&#xC9C0;&#xD574; &#xC90D;&#xB2C8;&#xB2E4;. </p>
</li>
</ul>
<ul>
<li><p><strong>histreedit</strong></p>
<p>history &#xD655;&#xC7A5;&#xC774; &#xC2E4;&#xD328;&#xD560; &#xACBD;&#xC6B0; &#xC785;&#xB825;&#xD588;&#xB358; &#xB0B4;&#xC6A9;&#xC774; &#xC5C6;&#xC5B4;&#xC9C0;&#xC9C0; &#xC54A;&#xACE0; &#xB2E4;&#xC2DC; &#xC218;&#xC815;&#xD560;&#xC218; &#xC788;&#xB294; &#xAE30;&#xD68C;&#xB97C; &#xC90D;&#xB2C8;&#xB2E4;.</p>
</li>
<li><p><strong>histverify</strong></p>
<p>history &#xD655;&#xC7A5;&#xB41C; &#xBA85;&#xB839;&#xC744; &#xBC14;&#xB85C; &#xC2E4;&#xD589;&#xD558;&#xC9C0; &#xC54A;&#xACE0; &#xD544;&#xC694;&#xC2DC; &#xC218;&#xC815;&#xD560; &#xC218; &#xC788;&#xAC8C; enter &#xB97C; &#xC785;&#xB825;&#xD560; &#xAE30;&#xD68C;&#xB97C; &#xC90D;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<ul>
<li><p><strong>histappend</strong></p>
<p>shell &#xC744; exit &#xD560;&#xB54C; <code>HISTFILE</code> &#xBCC0;&#xC218;&#xC5D0; &#xC124;&#xC815;&#xB3FC; &#xC788;&#xB294; &#xD30C;&#xC77C;&#xC5D0; &#xD604;&#xC7AC; history list &#xB97C; append &#xD569;&#xB2C8;&#xB2E4;. off &#xC774;&#xBA74; overwrite &#xD569;&#xB2C8;&#xB2E4;. </p>
<p>&#xD130;&#xBBF8;&#xB110;&#xC774; &#xBE44;&#xC815;&#xC0C1;&#xC801;&#xC73C;&#xB85C; &#xC885;&#xB8CC;&#xD560; &#xACBD;&#xC6B0; history list &#xAC00; &#xC800;&#xC7A5;&#xB418;&#xC9C0; &#xC54A;&#xC2B5;&#xB2C8;&#xB2E4;. &#xADF8;&#xB7F4; &#xACBD;&#xC6B0;&#xB97C; &#xC704;&#xD574; <code>PROMPT_COMMAND=&apos;history -a&apos;</code> &#xB97C; &#xC124;&#xC815;&#xD574; &#xC0AC;&#xC6A9;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
</li>
</ul>
<p><a name="history_builtin"></a></p>
<h3 id="history-builtin-&#xBA85;&#xB839;">History builtin &#xBA85;&#xB839;</h3>
<blockquote>
<p>history [-c] [-d offset] [n] or history -anrw [filename] or history -ps arg [arg...]</p>
</blockquote>
<p> &#xD604;&#xC7AC; &#xC138;&#xC158;&#xC758; history list &#xB97C; &#xAD00;&#xB9AC;&#xD558;&#xBA70;  history file &#xC744; read &#xD558;&#xAC70;&#xB098; write &#xD574;&#xC11C; &#xC5EC;&#xB7EC; &#xD130;&#xBBF8;&#xB110; &#xC138;&#xC158; &#xAC04;&#xC5D0; history &#xB97C; &#xB3D9;&#xAE30;&#xD654;&#xD560; &#xC218; &#xC788;&#xC2B5;&#xB2C8;&#xB2E4;.</p>
<table>
<thead>
<tr>
<th style="text-align:center">&#xC635;&#xC158;</th>
<th>&#xC124;&#xBA85;</th>
</tr>
</thead>
<tbody>
<tr>
<td style="text-align:center"><strong>-c</strong></td>
<td>&#xD604;&#xC7AC; &#xC138;&#xC158;&#xC758; history list &#xB97C; &#xBAA8;&#xB450; &#xC0AD;&#xC81C;&#xD569;&#xB2C8;&#xB2E4;.</td>
</tr>
<tr>
<td style="text-align:center"><strong>-d offset</strong></td>
<td>offset &#xC704;&#xCE58;&#xC758; &#xD56D;&#xBAA9;&#xC744; &#xC0AD;&#xC81C;&#xD569;&#xB2C8;&#xB2E4;.</td>
</tr>
<tr>
<td style="text-align:center"><strong>-r</strong></td>
<td>history file &#xC744; &#xC77D;&#xC5B4;&#xB4E4;&#xC774;&#xACE0; &#xB0B4;&#xC6A9;&#xC744; &#xD604;&#xC7AC; &#xC138;&#xC158;&#xC758; history list &#xC5D0; append &#xD569;&#xB2C8;&#xB2E4;</td>
</tr>
<tr>
<td style="text-align:center"><strong>-n</strong></td>
<td>history file &#xC5D0;&#xC11C; &#xC544;&#xC9C1; &#xC77D;&#xC5B4; &#xB4E4;&#xC774;&#xC9C0; &#xC54A;&#xC740; &#xD56D;&#xBAA9;&#xC774; &#xC788;&#xC73C;&#xBA74; &#xBAA8;&#xB450; &#xC77D;&#xC5B4; &#xB4E4;&#xC785;&#xB2C8;&#xB2E4;.</td>
</tr>
<tr>
<td style="text-align:center"><strong>-a</strong></td>
<td>&#xD604;&#xC7AC; &#xC138;&#xC158;&#xC758; history list &#xB97C; history file &#xC5D0; append &#xD569;&#xB2C8;&#xB2E4;.</td>
</tr>
<tr>
<td style="text-align:center"><strong>-w</strong></td>
<td>&#xD604;&#xC7AC; &#xC138;&#xC158;&#xC758; history list &#xB97C; history file &#xC5D0; write &#xD569;&#xB2C8;&#xB2E4;.</td>
</tr>
</tbody>
</table>

                    
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