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Backup and Restore (formerly Windows Backup and Restore Center) is a component of Microsoft Windows introduced in Windows Vista and included in later versions that allows users to create backups and restore from backups. It is a replacement of NTBackup, which was included in previous Windows versions. It became a deprecated feature in Windows 8 before being completely removed in Windows 8.1 in favor of File History. However, in Windows 10, it was re-incorporated into the operating system. ==Features== There are two different types of backup supported: File backup and system image. File backups are saved to ZIP files. Two methods of file backup are supported: The first, normal backup, stores everything selected for backup. The second, incremental backup stores only files that are changed after a previous backup. The other method of backup, system image, is a disk image of the backed up system saved block by block in a VHD file (versus file by file in the file backup and NTBackup). Block-based backup is more efficient at performing subsequent differential backups, as only the blocks that have changed need to be backed up. During a backup, Windows uses Volume Shadow Copy Service to ensure that files are not changed while they are being backed up.〔(【引用サイトリンク】url=https://msdn.microsoft.com/en-us/library/aa384589(v=VS.85).aspx )〕 VSS ensures both file system level consistency as well as application-level consistency for applications registered as ''VSS writers''. Newer backup media such as CD, DVD and Blu-ray discs are supported in Backup and Restore. Windows Backup service is the Windows service responsible for backup and restore operation. The Backup and Restore application, however, is not the only way of interfacing with this service: The Wbadmin command-line utility may also be used. The entire disk or individual files can be restored through the utility. In addition, the VHD file can be attached (mounted) as a separate disk. Regardless of latest backup being incremental or full, the attached disk will reflect the state of the disk at the latest backup, with the ''previous versions'' feature exposing older backup sets. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Backup and Restore」の詳細全文を読む スポンサード リンク
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