Apple Os X Terminal Cheat Sheet Page 5
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5tail
Output the last part of files
tar
Tape ARchiver
tee
Redirect output to multiple files
test
Condition evaluation
textutil Manipulate text files in various formats
time
Measure Program Resource Use
touch
Change file timestamps
traceroute Trace Route to Host
tr
Translate, squeeze, and/or delete characters
true
Do nothing, successfully
tty
Print filename of terminal on stdin
type
Describe a command
umask
Users file creation mask
umount
a device
unalias Remove an alias
uname
Print system information
unexpand Convert spaces to tabs
uniq
Uniquify files
units
Convert units from one scale to another
unset
Remove variable or function names
unsetenv Remove environment variable
users
Print login names of users currently logged in
uuencode Encode a binary file
uudecode Decode a file created by uuencode
vi
Text Editor
wc
Print byte, word, and line counts
where
Report all known instances of a command
which
Locate a program file in the user's path
while
Execute commands
who
Print all usernames currently logged on
whoami
Print the current user id and name (`id -un')
xargs
Execute utility - passing arguments
yes
Print a string until interrupted
Note: tcsh is the default shell in OS X Jaguar (10.2)
Panther (10.3) and Tiger (10.4) default to bash - many commands
do work in either shell, but this page will soon be updated to list
the bash syntax.
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