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Describe the importance of backing up data.


Importance of backing up data

Even the most reliable computer is apt to break down eventually. Many professionals recommend that you make two, or even three, backups of all your files. To be especially safe, you should keep one backup in a different location from the others.

You can back up files using operating system commands, for example, using the .bak extension, or you can buy a special-purpose backup utility. Backup programs often compress the data so that backups require fewer disks.