> I created a directory /opt/tmp and later wanted to delete it, but I > accidentally typed "rm -r usr" instead (within the /opt directory). > > What is the best way to restore my system to health?
I suggest you read the recent archives of this list, as some poor guy did much the same as you.... The short answer is: restore from your backups :) No backups? Copy all important stuff to your other machine, reinstall from scratch, and learn from the experience :) gdh