Undeleting Files

It's easy to accidentally delete a file. Part of the purpose of backups is to allow recovery of such files, but if the file hadn't been backed up before its accidental deletion, the backup does no good. Therefore, there are undelete utilities available, and certain window managers use a trash can icon by default, which doesn't immediately delete files, instead storing them in a temporary limbo before deleting them. The rm command does not actually erase the deleted file from the disk but instead removes the file's inode or index pointer, leaving the data in place until that same inode is reused. Because the data still exists, it is often possible to retrieve it. While the ext2 filesystem motivated several undeletion packages/methods, the new ext3 system is much more stable, so the utilities that were being developed, GtkRecover for instance, are no longer being developed. The command-line version of this, Recover, still exists, although not much development activity is presently going on.

Computer Hard Drive Data Recovery

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