PC guide for Dos : the easiest way to master Dos / Galgotia Publication. - New Delhi : Galgotia Publication , 1995. - xx,ca.301p. : ill. ; 25cm . - Popular pc guide series, NULL NULL; . - Popular pc guide series, NULL NULL; . Includes index, glossary and appendix ISBN: 8186340629 Rs. 75.00 Subjects--Index Terms: OPERATING SYSTEM-DOS Dewey Class. No.: 005.432DOS / GAL/P