00488cam a2200157 a 4500 0672484994 (pbk) 005.42 SIM Simpson, Alan The best book of MS-DOS 5 Carmel, Ind., USA SAMS 1991 xxxv, 886 p. : ill. ; 23 cm. Includes index. Operating systems (Computers) Disk Operating System Computer software DOS Programming DOS installation MS-DOS FC BK 0 0 0 0 LCC LCC 2012-06-20 Purchased 0 005.42 SIM 2659 2012-06-20 00:00:00 1 2019-02-21 BK 1238 1238