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Shadow Copy. Shadow Copy (also known as Volume Snapshot Service, [1] Volume Shadow Copy Service[2] or VSS[2]) is a technology included in Microsoft Windows that can create backup copies or snapshots of computer files or volumes, even when they are in use. It is implemented as a Windows service called the Volume Shadow Copy service.
System Restore. System Restore is a feature in Microsoft Windows that allows the user to revert their computer's state (including system files, installed applications, Windows Registry, and system settings) to that of a previous point in time, which can be used to recover from system malfunctions or other problems.
During a backup, Windows uses the Volume Shadow Copy Service (VSS) to ensure that files are not changed while they are being backed up. [13] VSS ensures both file system-level consistency and app-level consistency for apps registered as VSS writers. In Windows Vista and Windows 7, another Windows component called System Restore also uses VSS ...
The Volume Shadow Copy Service (VSS) keeps historical versions of files and folders on NTFS volumes by copying old, newly overwritten data to shadow copy via copy-on-write technique. The user may later request an earlier version to be recovered. This also allows data backup programs to archive files currently in use by the file system.
Continuous data protection. Continuous data protection (CDP), also called continuous backup or real-time backup, refers to backup of computer data by automatically saving a copy of every change made to that data, essentially capturing every version of the data that the user saves. In its true form it allows the user or administrator to restore ...
In NTFS, access to snapshots is provided by the Volume Shadow-copying Service (VSS) in Windows XP and Windows Server 2003 and Shadow Copy in Windows Vista. Melio FS provides snapshots via the same VSS interface for shared storage. [2]
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Microsoft Windows Shadow Copy - is a feature introduced by Microsoft with Windows Server 2003. Shadow Copy allows for taking manual or automatic backup copies or snapshots of a file or folder on a specific volume at a specific point in time. RollBack Rx - Allows snapshots of disk partitions to be taken.