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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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Remove sound from video file using mencoder
Remove sound from input video file, output video stream is copied from input video stream, with no audio.

Find files that are older than x days
Find files that are older than x days in the working directory and list them. This will recurse all the sub-directories inside the working directory. By changing the value for -mtime, you can adjust the time and by replacing the ls command with, say, rm, you can remove those files if you wish to.

send DD a signal to print its progress
Sends the "USR1" signal every 1 second (-n 1) to a process called exactly "dd". The signal in some systems can be INFO or SIGINFO ... look at the signals list in: man kill

Detach a process from the current shell
ignore HUP interruptions

Quickest way to sort/display # of occurences

Send a local file via email
Send it the easy way, with MIME and everything handled for you by an app that knows best.

Enable automatic typo correction for directory names

Use Dell Service Tag $1 to Find Machine Model [Model Name and Model Number]
255 Max Characters CommandLineFu for $dellurl='http://support.dell.com/support/topics/global.aspx/support/my_systems_info/en/details?c=us&cs=04&l=en&s=hied&ServiceTag='

Last month
Work out last months value

Install pip with Proxy
Installs pip packages defining a proxy


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