Kreisen 3 8 6 X / X E - Manual (Page 134)

Now set the system default drive letter back to drive A by
entering:
The computer will respond by displaying:
Make sure your MS-DOS install diskette is inserted into the A
drive. Enter the following command:
The RESTORE command file will be read from the MS-DOS
install diskette. The A: C:\ in the command tells MS-DOS that
you will be restoring files from diskettes in the A drive to the
hard disk root directory. The /S switch tells MS-DOS that you
want to restore the subdirectories as well as the root directory
files.
You will be prompted to insert the backup archive diskettes
into the A drive, one at a time. It is very important that you
insert these diskettes in order. The BACKUP command
program codes each archive diskette with an identification
number, which is read by the RESTORE program. The use of
this i.d. number ensures that your files are reassembled
properly, and loaded into the correct subdirectories.
Using Your Hard Disk 6-21