Backup and Restore Security

Computer systems are most generally a collection of bits arranged on a hard disk drive. Windows and Linux have file systems that support named files, a hierarchical directory structure, and security. In general, each user is assigned a subset of the entire tree structure of the file system. Backup and restore can refer to any individual user's needs to preserve files in his or her subtree of the file system or to the global need to preserve the state of the entire system. For any specific user to be able to back up other people's files, elevated authority is needed. In Linux, the backup/restore operator requires root permission. In Windows, a “capability” of the system can be granted to specific individuals or groups. ...

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