NetBooks: as long as everything is working fine — great; but what if you cannot boot anymore from your OS ? Usually this is Windows XP, and you don’t have a build-in CD-ROM to use a rescue bootable CD, or use the Windows XP CD to try to repair your XP installation.
This is where a bootable USB key would come in very handy ! The faster you could make one, the better !
I’ll describe some easy methods to create such a bootable USB key.