The program is called "Time Machine". You can set it up in System Preferences
Time Machine
Time Machine: It creates incremental backups of files that can be restored at a later date.
Because it did you idiot
OS X Leopard includes a backup utility called Time Machine (rather than Time Capsule). Apple's Time Capsule is a piece of hardware, purchased separately from your Mac computer, which Time Machine can use as external storage for your backups. In addition Time Capsule can act as a wi-fi base station.
It's called "Time Machine". It's just basic back up software, it doesn't make a boot able copy of it. You have to use an external disk.
Starting with Mac OS X 10.5 (Leopard), Macs come with a built-in backup system called "Time Machine. The first time you hook up an external hard drive, your Mac will ask you if you want to use it as a backup volume. If you click the "yes" button, you've started a backup that will backup your whole machine. Then every hour it will look for new or changed files and add them to the backup.
Yes, you should for safety measures. Can use time machine, cloning utility to take back-up of important files.
In the Applications folder is a folder called Utilities. In the Utilities folder is Disk Utility. Disk Utility will Erase / Partition / Format a hard drive.
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On a Mac I believe it's called the Print Utility.
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Acronis Mac backup software launched on or about 8 March 2013. It is easy to use data backup and hard drive recovery software that is used by millions of people worldwide.
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