IBM 5150

4 You will see this message:
Insert source diskette in drive A
Insert target diskette in drive B
Strike any key when ready
5 Remove your DOS Diskette from drive A:.
6 Insert your original diskette into drive A:.
7 Insert your back-up diskette into drive B:.
Original Diskette
Back-up Diskette
8 Press a key.
This tells DOS
you are ready.
9 Now all information is being copied from the diskette in
drive A:
to the diskette in drive B:.
You will see one
"in use" light go on and then the other.
DOS 3-63