Tools for reconstructing deleted data

Rescue Mission

© Lead Image © Sgursozlu, Fotolia.com

© Lead Image © Sgursozlu, Fotolia.com

Article from Issue 204/2017
Author(s):

One false click can quickly delete important data, or even an entire partition. If a backup tool is missing, only a rescue specialist can help.

Accidentally deleting data without a backup is a nightmare scenario for many users. Even if the application prompts for confirmation before deleting, the user only has to click too fast, and the data is gone. The power of the command line is another threat. An incorrect command parameter could send an entire directory tree into the black hole of oblivion.

Despite the danger of losing data, surveys show that users often create inadequate or no backups [1]. Luckily, the Linux environment includes several tools for reconstructing lost data.

Organizational Matters

Mass storage – whether it be hard drives, solid state drives, or optical discs – always manages and stores data in an organizational structure. Some filesystems also inform the operating system about the size, location, and directory attributes of the file resource using metadata.

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