diff --git a/shell/backup/accountlog.sh b/shell/backup/accountlog.sh
new file mode 100644
index 0000000..303013b
--- /dev/null
+++ b/shell/backup/accountlog.sh
@@ -0,0 +1,72 @@
+# 网上流传的简单记录操作的脚本
+#vi /etc/profile.d/accountlog.sh
+#chmod +x /etc/profile.d/accountlog.sh
+#vi /etc/profile
+#HISTTIMEFORMAT="%Y/%m/%d %H:%M:%S "   
+historyLog(){
+
+    logDir=/data/accountlog
+
+    dateStamp=`date +"[%F %T]"`
+
+    dateDir="`date +%Y`/`date +%m`/`date +%d`"
+
+    curHistory=`history 1`
+
+    user=`/usr/bin/whoami`
+
+    realUserInfor=`/usr/bin/who -u am i|awk '{print $1,$2,$3"~"$4,$7}'`
+
+    
+
+    if [ ! -e $logDir ];then
+
+        mkdir -p $logDir
+
+        chmod 777 $logDir
+
+    fi
+
+ 
+
+    logDateDir=$logDir/$dateDir
+
+    if [ ! -e $logDateDir ];then
+
+        mkdir -p $logDateDir
+
+        chmod -R 777 $logDir 2>/dev/null
+
+    fi 
+
+ 
+
+    accountLogDir=$logDateDir/${user:=`hostname`}
+
+    if [ ! -e $accountLogDir ];then
+
+        mkdir -p $accountLogDir
+
+        #chmod 777 $accountLogDir
+
+    fi
+
+ 
+
+    accountLogName=${user:=`hostname`}.his
+
+    accountLog=$accountLogDir/$accountLogName
+
+    if [ ! -e "$accountLog" ];then
+
+        touch $accountLog
+
+        #chmod 777 $accountLog
+
+    fi
+
+    echo "$realUserInfor $dateStamp =>$curHistory" >>$accountLog
+
+}
+
+export PROMPT_COMMAND=historyLog
diff --git a/shell/sed/sed.sh b/shell/sed/sed.sh
index 13f7a08..c59e1bf 100644
--- a/shell/sed/sed.sh
+++ b/shell/sed/sed.sh
@@ -5,6 +5,15 @@
 ##robert yu
 ##centos 6鍜宑entos 7
 
+##鏌ユ枃浠朵粠32994鍒�34871琛屽唴瀹�
+sed -n '32994,34871p'  config_file
+
+##鍒犻櫎鏂囦欢浠�32994鍒�34871琛屽唴瀹�
+sed '32994,34871 d' config_file
+
+##鏇挎崲鏂囦欢涓璸erformance_schema鏀逛负performance_schema_bak
+sed -i "s/performance_schema/performance_schema_bak/g" config_file
+
 ##sed鍘婚櫎娉ㄩ噴琛�
 sed -i -c -e '/^#/d' config_file