I found a good article about making yourself a Linux recovery disk just incase something happens to your files. It also teches you how to use the disk after you make it. It teaches you in the following:
1. Creation of a floppy with GRUB on MBR
2. Creation of a floppy with LILO on MBR:
3. Creation of a Recovery Disk:
Then below it also Recovery using an install CD and Linux Rescue Floppy Images.
Click Here to view the article, written by Greg Ippolito