Tandy 1000 MS-DOS User Manual

Chapter 6 / Command Reference
Notes and Suggestions
• Unless otherwise specified, the old files on a backup floppy's
root directory
are erased before new files are added.
•
If more than one diskette is required, BACKUP prompts you
to exchange
diskettes when the current diskette is full.
• If you try to backup a shared file that you do not have access
to,
PATHNAME\FILENAME.EXT Not able to backup at
t his t 1 me is displayed.
• BACKUP files contain control
data, and are not usable.
• BACKUP exits
with ERRORLEVEL set as:
o-Normal completion
1 -
No files found to backup
2 - Some files not backed
up due to file sharing conflicts
3 -
Terminated by {Ctrl-Break}
4 -
Terminated by error
•
If the target is a fixed disk, the backup files will be placed in
a subdirectory named \ BACKUP. If the target is a floppy,
the files are placed in the root directory.
• The source disk should not be write-protected.
Examples
backup c: a: Is
copies the files in the current directory of Drive C: to a diskette
in Drive A. This operation erases any existing files on the Drive
A diskette.
backup c: myfiles a: la
copies the files Myfile from the current directory of Drive C: to
the floppy diskette in Drive A. This operation adds the new file
to
the files already on the Drive A diskette, without erasing any.
backup *.* a: Ip
copies all files in the current directory to the diskette in Drive
A.
The files are packed on the diskette as economically as possi-
ble. Any
existing files on the diskette in Drive A are erased.
44

Tandy 1000 MS-DOS Specifications

General

Brand	Tandy
Model	1000 MS-DOS
Category	Desktop
Language	English