tput, disk wipers, boot managers

tput – initialize a terminal or query terminfo database

Send your cursor to a specific point on the screen:

tput cup 4 47

There’s lots of other goodness, like clearing the screen.

Disk wipers

• Autoclave 
• DBAN – Darik’s Boot and Nuke – I’ve used it before, and it’s pretty good

Boot Managers

• GAG – Graphical Boot manager
• gujin
• btmgr – Smark BootManager
• XOSL – Extended Operating System Loader