In information technology, backup refers to making copies of data so that these additional copies may be used to restore the original after a data loss event. These additional copies are typically called "backups." Backups are useful primarily for two purposes. The first is to restore a state following a disaster (called disaster recovery).Storage, the base of ... · Selection, extraction ... · Managing the backup ...
You should regularly make backup copies of any files that you cannot replace easily. Here's a checklist to get you started thinking about what files you should back up.
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