IBM 5150 Manual To Operations page 137

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