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The PC-SIG Library 10
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The PC-Sig Library - Shareware for the IBM PC and Compatibles (PC-SIG)(Tenth Edition Disks 1-2804)(1991).iso
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BACKUP.INS
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1991-07-04
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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.