00674nam a2200157 a 4500 20190520021300.0 090327s19uu xx 00 eng d Microsoft Corporation Microsoft MS-DOS 6 for the MS-DOS operating system : concise user's guide. Bellevue, WA : Microsoft Corporation, c1993. xii, 129 p. : ill. includes appendices and index MS-DOS (Computer operating system) OLOPSC OLOPSC 34753 34753 0 0 0 0 CLLRC CLLRC CIR 2019-05-20 0 QA 76.76 O63 M52 CL6004 2023-07-10 00:00:00 2019-05-20 BK 0 0 0 0 CLLRC CLLRC CIR 2019-05-20 3 QA 76.76 O63 M52 CL6005 2026-05-25 08:42:33 2026-05-22 2019-05-20 BK