C:

    command to set default disk			disk letters in DOS		

C: is the command used to tell DOS to	C: is the letter associated with a 
make C: the current (default) disk	disk drive. "c:" and "C:" are the same.
drive letter. A:, B:, and D: are 	A:, B:, C:, D:, ... Y:, and Z: are 
similar commands.			other disk drive letters.

Diskette drives letters are usually A: or B:, and hard disk drives letters
are C: through Z:
