I accidently deleted a directory, can i undo it? [closed]

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http://unix.stackexchange.com – Possible Duplicate: Recovering deleted files on fedora I just deleted a directory on my webserver. It was my last command. I realize what i did after i hit enter. I havent done any commands since than. How do i undo it? I think i have a backup, i know i do of the db but i am unsure how many files i have a backup of. I know one important file is backed up (although the others are hazy) Can i undo this? Or am i screwed and need to use/restore my backup? I'm using debian squeeze. (HowTos)