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Practical Linux by Bill Ball, John Ray, Michael Turner, M. Drew Streib

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Performing System Backups

Making backups is the only way to ensure that you can replace files that become accidentally deleted. To get the most bang for your backup buck (if you can't back up everything), identify the most important files on your own system. If you use your Linux machine exclusively as a Web server, your backup requirements are probably a little different than those of someone who tests software. Try to archive the most critical parts of your system on a regular basis. There is little need to back up applications that you loaded from another storage device (CD-ROM, floppy, and so on) unless you have made major modifications to them. If you are supporting a machine with multiple users, you should definitely set up a backup schedule ...

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