3.11. Task 3.11: Creating Data Backups

Backing up your computer regularly limits your loss of information to the period since your last backup. All machines fail. Not performing backups is tantamount to a guarantee that you will one day lose your data. The only question is when, not if. In the early days of personal computing, backup devices and media were somewhat prohibitive in cost for the individual user. With time, this cost came down to a more manageable level, but never has the industry offered a more affordable solution as is found in today's inexpensive hard drives and other forms of mass storage.

Today, it is feasible to purchase the hard drive you need in terms of size and another one twice as large for multiple levels of backup or ...

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