man recover (Commandes) - recover a deleted file
NAME
recover - recover a deleted file
SYNOPSIS
recover [device] [options]
OPTIONS
 -h, --help	prints help
 -a, --all	no filtering; dump all deleted inodes
DESCRIPTION
recover recovers a file which matches some ext2 - info about the deleted inode by getting all the deleted inodes and filtering them. It's based upon the Ext2Undeletion-howto by Aaron Crane. Using this utility, your chances to recover a lost file should increase a lot.
QUESTIONS ABOUT THE DELETED FILE
  o Hard disk device name
  o Year of deletion
  o Month of deletion
  o Weekday of deletion
  o First/Last possible day of month
  o Min/Max possible file size
  o Min/Max possible deletion hour
  o Min/Max possible deletion minute 
  o User ID of the deleted file
  o A text string the file included (can be ignored)
BUGS
Please note that recover does not work with ext3 filesystems, it is strictly ext2-only. For further information on this, please read /usr/share/doc/recover/README.ext2only
WARRANTY
There is no warranty.
SEE ALSO
debugfs (8)
AUTHOR
Tom Pycke (Tom.Pycke@advalvas.be)
WEBSITE
http://users.linuxbox.com/~recover