Basic putor stuff:

[Dinar_OS]

Basic putor stuff:

Gain Hard Drive Space:
I gained 16GB with this freebie.
Easy to use. Don't erase the languages you wish to keep, like English.

Mac / Universal
http://monolingual.sourceforge.net/

Windows:
Scan and Find Bad Blocks on Hard Disk Drive

http://www.amitbhawani.com/blog/scan-and-find-bad-blocks-on-hard-disk-drive/