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- BACKUP
- Backs up files from one disk to another
- See also <RESTORE>
-
- COMMAND TYPE: External VERSION: 2.0 and up
-
- USE: BACKUP d:[path][filename] d:[/S][/M][/A][/D:mm-dd-yy]
- [/T:hh:mm:ss][/F:size] [/L[:[d:[path]filename]]]
-
- d:\path\filename specifies the source drive (the drive that contains
- the files that you want to back up).
-
- The second d: specifies the destination drive (the drive to back up
- the files to).
-
- /S includes all subdirectories in the backup.
- /M backs up files that have been modified since the last backup (files
- with the archive bit set)
- /A backs up additional files to a diskette with back up files already
- on it. Without this option, all files on the backup diskette will
- be destroyed.
- /D:mm-dd-yy backs up files that have been modified since a specific
- date.
-
- NOTE: The following options /T, /F, and /L are new to DOS 3.3. Do not
- try them with earlier versions.
-
- /T:hh:mm:ss backs up files that have been modified on or after the
- specified time on the date specified.
- /F:size formats the target diskette if it is not already formatted.
- "size" indicates the type of disc for the formatting program. The
- following may be accepted: 160,180,320,360,1200 (kb - 5.25" discs)
- or 720,1440 (kb - 3.5"discs)
- /L creates a log. If a file name is not specified, the default is
- BACKUP.LOG, and the file is stored in the root directory of the
- source drive. If a log file exists, the information is appended to
- the end of that file. The first record of the file contains:
- The date of the backup The time of the backup
- Subsequent records contain:
- Diskette number of the backed up file. Full path and file name
- of each backed up file.
-
- Files created using the <BACKUP> command must be <RESTORE>d to be useful.
-
- EXAMPLE: BACKUP C:\*.* A:/S
-
- This example will back up all files (in all subdirectories) on drive
- C: to drive A:.
-
- NOTES: Do not use on drives which have been <ASSIGN>ed, <SUBST>ituted or
- <JOIN>ed.
-