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File Recovery Techniques

By Wietse Venema, December 01, 2000

Wietse investigates the topic of file recovery by reconstructing past behavior and examining deleted file access time patterns and other attributes.
Dec00: File Recovery Techniques

Table 2: Number of surviving inode (file attribute) blocks as a function of time since file deletion for UNIX home directory and system partitions. hades.porcupine.org is Wietse Venema's FreeBSD workstation. flying.fish.com is Dan Farmer's RedHat Linux workstation. In both cases, the history of deleted file attributes goes back until the time when the filesystems were created.



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