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5 Performing Backups and Restoring Files

GNU tar is distributed along with the scripts which the Free Software Foundation uses for performing backups. There is no corresponding scripts available yet for doing restoration of files. Even if there is a good chance those scripts may be satisfying to you, they are not the only scripts or methods available for doing backups and restore. You may well create your own, or use more sophisticated packages dedicated to that purpose.

Some users are enthusiastic about Amanda (The Advanced Maryland Automatic Network Disk Archiver), a backup system developed by James da Silva [email protected] and available on many Unix systems. This is free software, and it is available at these places:

     https://www.cs.umd.edu/projects/amanda/amanda.html
     ftp://ftp.cs.umd.edu/pub/amanda

This chapter documents both the provided shell scripts and tar options which are more specific to usage as a backup tool.

To back up a file system means to create archives that contain all the files in that file system. Those archives can then be used to restore any or all of those files (for instance if a disk crashes or a file is accidentally deleted). File system backups are also called dumps.

 
 
  Published under the terms of the GNU General Public License Design by Interspire