A comprehensive tutorial on General Regular Expression (similar, not if same to, Perl regular expression).
A list of shortcuts that can be useful while using, micro, a terminal based text editor.
A compilation of notes on Embedded C.
A set of most useful commands and settings of Vim terminal text editor.
A list of commands and short explanations that can be useful while working with git.
A tutorial that describes how to setup ubuntu for hibernation.
A compilation of tips that can be useful in configuring and maintaining ubuntu installation.