IBM 5150

If You Want DOS on Your Diskette
With One Drive
1 Make sure DOS is ready and A> is displayed.
2 Insert your DOS Diskette into drive A:, if it is not
already there.
3 Type:
format a:/s
and press the Enter key.
4 Now you will see this message:
Insert new diskette for drive A:
and strike any key when ready
S When the drive A: "in use" light is off, remove the DOS
Diske
tte from drive A:.
6 Put your new diskette into drive A:.
7 Press any key-the space bar for instance.
8 You will see this message:
Formatting . ..
DOS 3-51