| title | layout |
|---|---|
Command line stuff |
default |
Usage:
ls [options] [paths]
Format:
-1 One entry per line
-l Long view
-o Long view (without groups)
-C Multicolumn (sorted horizontally)
-x Multicolumn (sorted vertically)
-F Add / after directories
-G Color
Options:
-R Recurse
-a Include hidden (dotfiles)
-A Include hidden (but not . and ..)
Sorting:
-r reverse order
-S sort by size
-t sort by time modified
-u sort by time accessed
-U sort by time created
-c sort by time status was changed
-h Human-readable size (3k)
Usage:
tail [-F | -f | -r] [-bN | -cN | -nN] [file ...]
Modes:
-f # follow
-F # follow by filename (accounts for log rotation)
-r # Reverse order
Options:
-bN # N*512 bytes
-cN # N bytes
-nN # N lines
+N # Start from line N
Listing:
-l # List allowed commands
Options:
-A # Use $SUDO_ASKPASS
-b # Run in background
-E # Preserve environment
-H # use target's $HOME
-n # Don't prompt for password
-P # Preserve group vector
-S # Read password from stdin
File descriptors:
-C fd # Close all open file descriptors
Prompt:
-p prompt # Custom prompt (-p "%p password:")
Interactive:
-i [cmd] # Interactive shell without variables
-s [cmd] # Interactive shell
-u user # run as this user
-g group # run as this group
Timestamp:
-v # revalidate timestamp for 5 mins
-k # invalidate timestamp
-K # just like -k
-c # Bytes
-l # Lines
-m # Characters (incl multi-byte)
-w # Words
perl -p -i -e 's/hello/HELLO/g' **/*
-A num # Print `num` lines of training context
-G # --basic-regexp (default)
-E # --extended-regexp
-P # --perl-regexp
-f file # --file (Get patterns for file)
-F # --fixed-strings
-h # --no-filename
-H # --with-filename
-l # --files-with-matches (just print filenames)
-L # --files-without-match
-r, -R # --recursive
-v # --invert-match
-i # --ignore-case
Synonyms:
egrep => grep -E
fgrep => grep -F