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commandlinefu.com is the place to record those command-line gems that you return to again and again. That way others can gain from your CLI wisdom and you from theirs too. All commands can be commented on, discussed and voted up or down.

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Remind yourself to leave in 15 minutes
If you spend most of your time in front of the terminal, leave is a useful reminder. Leave can have absolute form: leave 1555 reminds you to leave at 3:55PM

renice by name

Killing processes with your mouse in an infinite loop
Useful for quickly cleaning your Desktop. Nice joke if launched at startup.

Find files and calculate size of result in shell
Use find's internal stat to get the file size then let the shell add up the numbers.

Lookup errno defintions
Calls the POSIX strerror() function to look up the meaning of integer ERRNOs set by some functions.

Adding formatting to an xml document for easier reading
This will indent the input to be more readable. Warnings and messages are not send to STDOUT so you can just use a pipe to create the formatted outputfile, like: $ tidy -i -xml in.xml > out.xml

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

execute a shell with netcat without -e
how to execute a shell on a server with a netcat binary which doesn't support -e option

list files recursively by size

exec chmod to subfiles
Using `-exec cmd {} +` causes find to build the command using all matching filenames before execution, rather than once per file.


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