Alternatively called un-erase, undelete is a software utility or command that restores a deleted file to a file system. Whether or not a file can be undeleted depends on several factors, including:

  • How the file was deleted, and how long ago.
  • What operating system is used to access the file.
  • The type of file system containing the deleted file.

Linux, Software terms, Undo

  • How to recover missing, lost, or deleted files.
  • MS-DOS undelete command and information.
  • For information about recovering deleted files in Linux, see the Arch Linux file recovery wiki.