Methods to prevent file loss include "automatic backup", "automatic save" and "save a copy", and "backup" refers to coping with possible unexpected situations such as file or data loss or damage. Copy data from electronic computer storage devices to mass storage devices such as tapes.
Methods to prevent file loss include automatic backup, automatic saving, and saving a copy.
Backup: To cope with possible unexpected situations such as loss or damage of files and data, copy the data in the electronic computer storage device to a large-capacity storage device such as tape.
So that a copy of the program or file is stored independently from the original text.
Backup can be divided into system backup and data backup.
1. System backup: refers to the loss of system files of the user's operating system due to disk damage or damage, computer viruses or human error deletion, etc., resulting in the computer operating system not being able to boot normally, so system backup is used , the operating system is stored in advance for backup support after a failure.
2. Data backup: refers to the user storing data including files, databases, applications, etc. for use in data recovery.
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