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Remove all unused kernels with apt-get
This will remove all installed kernels on your debian based install, except the one you're currently using. From: http://tuxtweaks.com/2009/12/remove-old-kernels-in-ubuntu/comment-page-1/#comment-1590

find co-ordinates of a location
Alternative to http://commandlinefu.com/commands/view/6831/find-co-ordinates-of-a-location with $* instead of $1 so no need to quote multi-word locations

Install pip with Proxy
Installs pip packages defining a proxy

Search some text from all files inside a directory

Download entire website

Adding Prefix to File name
Good old bracket expansion :-) For large numbers of files, "rename" will spare you the for-loop, or the find/exec...

Extract the MBR ID of a device
Useful when you want to know the mbrid of a device - for the purpose of making it bootable. Certain hybridiso distros, for eg the OpenSUSE live ISO uses the mbrid to find the live media. Use this command to find out the mbrid of your USB drive and then edit the /grub/mbrid file to match it.

Url Encode
Returns URL Encoded string from input ($1).

awk change field separator
GNU Awk 3.1.4

auto complete arguments
Use it for command like : mkdir, chown, ls, less...


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