archive attribute

(redirected from Archive bit)
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archive attribute

A file classification that indicates whether the file has been updated since the last backup. A bit is set in the file directory to indicate the archive status. When a file is created or saved, the bit is turned on. When it is backed up, the bit is turned off. See file attribute.
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The configuration options made it easy to turn compression on and off and to turn archive bit reset on or off (important if you want to do testing on files without marking them as 'saved').
Thus, files that have the archive bit on contain data that has not been backed up.
With XCOPY you can copy only files with the archive bit turned on, or that were modified after a particular date.
Like XCOPY, you can use command-line switches to back up selectively by archive bit or date.
The archive bit is set by XCOPY, BACKUP, and RESTORE.