Awk Command Examples
awk can be a bit tricky but hopefully this will give you a good idea of its functionality.

Cron Examples
Cron is somthing I find most useful, its definitely worth learning about.

The 'at' command basically executes a command at a specified time, surprisingly useful if you need to print something at 3pm and you're useless at remembering stuff..

Download BBC shows on Linux with get_Iplayer

get_Iplayer is an easy way to download tv and radio from the bbc iplayer website.
get_iplayer can be downloaded from linuxcentre.net