TY - BOOK AU - Norton,Peter TI - Peter Norton's DOS guide SN - 1566861365 U1 - 005.4469 PY - 1997/// CY - Delhi PB - Prentice hall KW - Operating systems (Computers) N1 - Rev. ed. of: Peter Norton's DOS guide. 3rd ed. c1989; "Updated to cover 6.2"--Cover; Includes index ER -