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Control Time Machine from the command line with tmutil System
The ability to control Time Machine from the Time Machine preferences in System Preferences is quite limited. You can choose exclusions, turn Time Machine on or off, and force backups, but that's about it. Fortunately, a command-line tool, tmutil provides much more control over Time Machine. The man page for tmutil says the following:

"tmutil provides methods of controlling and interacting with Time Machine, as well as examining and manipulating Time Machine backups. Common abilities include restoring data from backups, editing exclusions, and comparing back-ups."

For example, you can compare backups to see what has changed from one backup to another, inherit a backup (which you can do from the Time Machine menu, when you set up a new Mac and want to use a backup from an older Mac), or set up fixed-path exclusions (excluding items at a specific file path).

Check man tmutil to see all that you can do with this command.
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Control Time Machine from the command line with tmutil | 2 comments | Create New Account
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Control Time Machine from the command line with tmutil
Authored by: karog on Mar 11, '13 08:17:47AM

Note tmutil first appears in 10.7



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Control Time Machine from the command line with tmutil
Authored by: kirkmc on Mar 11, '13 10:08:40AM

Yes, but since it's never been mentioned here on its own (it's mentioned in a few hints), I thought it was worth a hint.

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Mac OS X Hints editor - Macworld senior contributor
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