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- BACKUP Creates a BACKUP copy of the current data
- contained on your hard disk.
-
- Format: BACKUP SD:/Path[FileSpec] DestD: [Switches]
-
- /S backs up files on BOTH the specified or current
- directory and ALL sub-directories.
-
- /M backs up ONLY the files that have been modified
- since the last BACKUP operation (including files
- with ARCHIVE bit set by ATTRIB +A command).
-
- /A appends/adds the files to an existing set of
- BACKUP diskettes. (Prevents over-writing files.)
-
- /D:mm-dd-yy similiar to /M, but backs up ONLY
- those files modified on, or after, the specified
- DATE.
- /T:hh:mm:ss backs up ONLY those files modified on,
- or after, the specified TIME. (MUST be used in
- conjunction with the DATE switch.)
-
- /F FORMATS the target diskette(s) if it has not
- already been formatted. (DOS V3.3 only.)
-
- /L:[LogFileSpec] Creates a log file that is named
- according to the LogFileSpec entered. Defaults
- to a file name of \BACKUP.LOG.
-
- Example: BACKUP C:\ A:
-
- Backs up ALL files contained in the ROOT directory
- of drive C. (Will NOT backup any files contained in
- sub-directories of the specified directory. If the
- Source Directory is omitted will default to the
- CURRENT directory.)
- Example: BACKUP C:\ A: /S
-
- Backs up ALL files contained in the ROOT directory
- AND sub-directories of drive C. (Performs a BACKUP
- of the ENTIRE contents of drive C.)
-
- Example: BACKUP D:\ A: /S/M
-
- Backs up ALL files contained on drive D: (including
- those in sub-directories) that have been MODIFIED
- since the last BACKUP. Requires using a NEW set of
- BACKUP diskettes.
-
- Example: BACKUP D:\ A: /S/M/A
-
- Same as preceding example, but APPENDS/ADDS the
- files that have been MODIFIED to an EXISTING set
- of BACKUP diskettes. (Insert LAST diskette used.)
- Example: BACKUP D:\123 A: /S
-
- Backs up ALL files contained in the D:\123 directory
- (including all D:\123 sub-directories).
-
- Example: BACKUP D:\123 A: /S/M/A/D:04-15-90
-
- APPENDS/ADDS the files in the D:\123 directory and
- its sub-directories that were MODIFIED on, or after,
- 15 April 1990 to an EXISTING set of D:\123 BACKUP
- diskettes. (Insert * LAST * D:\123 BACKUP Diskette.)
-
- [*] Normally the Target DRIVE for BACKUP will be
- drive A: for placing BACKUP copies onto diskette(s).
- However, hard disks can be used to receive BACKUPs.
- Such hard disk backup files will be stored on the
- TARGET hard disk in a sub-directory named \BACKUP.
-
- [*] Backups prepared using DOS Version 3.3 can NOT
- be restored to another computer using an earlier DOS
- version unless the system has been "booted" using a
- DOS system diskette of version 3.3 or later.