copmom..with a backup
you decide what to back Up..you decide where to store your backup files
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Your computer's hard disk. The ideal backup location is a separate partition from the one you're backing up. If your hard disk is partitioned into drive C and drive D and your data is on drive C, you can safely back up to drive D.
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you can save files directly to a CD-RW drive.
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A shared network drive. You're limited only by the amount of free space on the network share.
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An external hard disk drive. USB and IEEE 1394 or FireWire drives get a 40 GB or larger drive and dedicate it for use as a backup device.
With Backup, you can create a copy of all the data on your hard disk, and then archive it on another storage device.
If the original data on your hard disk is accidentally erased, overwritten, or becomes inaccessible because of a hard disk malfunction, you can restore the data from the disk or the archived copy by using the Restore Wizard in your restore program
With the option to restore your entire hard drive in case of a crash..Drive imaging tools can take a virtual snapshot of your disk, compress it to a single file, and save it for quick recovery later.
To me using the imaging tools to me is faster and more accurate and doesn't take as long.
System restore rolls your computer back to ..let's say you made a restore point today and tomorrow you go haywire..set it to roll back to your point today..it is also quicker than backups..to me anyway.