is there any backup software for linux
 

I am looking for something like disk image software so when when I mess something up I can just pop the disk in and go back. does linux have anything like that?

take a look at:

http://www.partimage.org/

partimage is the best for HDDs but I find dd better for floppies - it depends on your needs.

Look at my post here:
http://www.linuxquestions.org/questi...ghlight=Backup

[EDIT] sorry did not read your post carefully enough, thought you were asking for general backup software [/EDIT]