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Recall “N”th command from your BASH history without executing it.

List all files ever added in git repository

Make the "tree" command pretty and useful by default
I got really tired of having tree always show me tons of .svn and .git stuff that I don't care about. With this alias, "tree" uses pretty colors, snazzy line graphics, and ignores any source control and package mumbojumbo. (Customize the *.*.package glob, of course.)

Purge configuration files of removed packages on debian based systems

Finding the fingerprint of a given certificate

Download Video & extract only a specific Time of it
Because this does not download more of the video than necessary, it is faster (especially with long videos).

Sort the size usage of a directory tree by gigabytes, kilobytes, megabytes, then bytes.
Probably only works with GNU du and modern perls.

Unrar all multipart rar archives in directory

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Assign top-level JSON entries to shell variables
A recursive version might be useful too. /dev/tty is used to show which shell variables just got defined.


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