Peter Norton's DOS guide /
Norton, Peter,1943-
Norton, Peter,1943-MS-DOS and PC-DOS.
New York, N.Y. : Prentice Hall Press,
c1987.
"A Brady book."
Rev. ed. of: MS-DOS and PC-DOS. 1st ed. c1984.
Includes index.
MS-DOS (Computer file)
PC-DOS (Computer file)