DOS drive identification

DOS and Windows drives are identified with a letter and colon.

       A: First floppy
       B: Second floppy
       C: Main hard drive
       D: Second hard drive, second partition
           within the main hard disk or some
           other device such as a CD-ROM drive.
           Drive letters E: through Z: also used.

To switch drives, type drive letter and colon; for example, to go to drive D, type:

            C:\>d:    switch drives
            D:\>      prompt has changed