--- layout: page title: COMPAQ MS-DOS 3.31 permalink: /disks/pcx86/dos/compaq/3.31/ redirect_from: - /disks/pc/dos/compaq/3.31/ --- COMPAQ MS-DOS 3.31 --- Released in 1988 by COMPAQ Computer Corp, this version of MS-DOS displays the following messages on boot: The COMPAQ Personal Computer MS-DOS Version 3.31 (C) Copyright Compaq Computer Corp. 1982, 1988 (C) Copyright Microsoft Corp. 1981, 1987 Directory listings of the distribution diskettes are provided below. ### Directory of COMPAQ MS-DOS 3.31 (Disk 1) Volume in drive A is FASTART Directory of A:\ IBMBIO COM 23591 10-03-88 12:00p IBMDOS COM 30648 10-03-88 12:00p COMMAND COM 25332 10-03-88 12:00p AUTOEXEC BAT 11 10-14-88 12:00p CONFIG SYS 46 10-14-88 12:00p EXTDISK SYS 11721 10-14-88 12:00p FORMAT COM 13675 10-14-88 12:00p FASTART EXE 232841 10-14-88 12:00p 8 file(s) 337865 bytes Total files listed: 8 file(s) 337865 bytes 387072 bytes free ### Directory of COMPAQ MS-DOS 3.31 (Disk 2) Volume in drive A is STARTUP Directory of A:\ IBMBIO COM 23591 10-03-88 12:00p IBMDOS COM 30648 10-03-88 12:00p COMMAND COM 25332 10-03-88 12:00p ANSI SYS 1709 10-03-88 12:00p CLOCK SYS 1787 10-03-88 12:00p COUNTRY SYS 11254 10-03-88 12:00p DISKCOPY COM 6264 10-03-88 12:00p DISKINIT EXE 55795 10-03-88 12:00p DISPLAY SYS 11651 10-03-88 12:00p DRIVER SYS 1385 10-03-88 12:00p ENHDISK SYS 3441 10-03-88 12:00p FASTOPEN EXE 3888 10-03-88 12:00p FDISK COM 45052 10-03-88 12:00p FORMAT COM 13675 10-03-88 12:00p KEYB COM 10974 10-03-88 12:00p KEYBOARD SYS 41144 10-03-88 12:00p MODE COM 15188 10-03-88 12:00p PRINTER SYS 13559 10-03-88 12:00p SYS COM 6193 10-03-88 12:00p VDISK SYS 3759 10-03-88 12:00p XCOPY EXE 11216 10-03-88 12:00p 21 file(s) 337505 bytes Total files listed: 21 file(s) 337505 bytes 382976 bytes free ### Directory of COMPAQ MS-DOS 3.31 (Disk 3) Volume in drive A is OPERATING Directory of A:\ APPEND EXE 5794 10-03-88 12:00p ASSIGN COM 1530 10-03-88 12:00p ATTRIB EXE 10656 10-03-88 12:00p BACKUP COM 30048 10-03-88 12:00p BASIC COM 3532 10-03-88 12:00p BASICA COM 3532 10-03-88 12:00p BASICA EXE 79304 10-03-88 12:00p CHKDSK COM 11939 10-03-88 12:00p COMMAND COM 25332 10-03-88 12:00p COMP COM 4183 10-03-88 12:00p DEBUG COM 16000 10-03-88 12:00p DISKCOMP COM 5848 10-03-88 12:00p DISKCOPY COM 6264 10-03-88 12:00p EDLIN COM 7495 10-03-88 12:00p EXE2BIN EXE 3050 10-03-88 12:00p FIND EXE 6403 10-03-88 12:00p FORMAT COM 13675 10-03-88 12:00p GRAFTABL COM 6272 10-03-88 12:00p GRAPHICS COM 7576 10-03-88 12:00p JOIN EXE 9612 10-03-88 12:00p LABEL COM 2346 10-03-88 12:00p LINK EXE 39076 10-03-88 12:00p MORE COM 282 10-03-88 12:00p NLSFUNC EXE 3029 10-03-88 12:00p PRINT COM 8995 10-03-88 12:00p RECOVER COM 5385 10-03-88 12:00p REPLACE EXE 13886 10-03-88 12:00p RESTORE COM 35720 10-03-88 12:00p SELECT COM 4188 10-03-88 12:00p SETCLOCK COM 3715 10-03-88 12:00p SHARE EXE 8664 10-03-88 12:00p SORT EXE 1946 10-03-88 12:00p SUBST EXE 10552 10-03-88 12:00p TREE COM 3540 10-03-88 12:00p XCOPY EXE 11216 10-03-88 12:00p 4201 CPI 17089 10-03-88 12:00p 5202 CPI 459 10-03-88 12:00p EGA CPI 49065 10-03-88 12:00p INTEREST BAS 384 10-03-88 12:00p WORDS 660 10-03-88 12:00p 40 file(s) 478242 bytes Total files listed: 40 file(s) 478242 bytes 231424 bytes free ### Directory of COMPAQ MS-DOS 3.31 (Disk 4) Volume in drive A has no label Directory of A:\ DIAG CPQ 8320 06-21-89 12:00p USER EXE 243296 06-21-89 12:00p TEST COM 2576 06-21-89 12:00p SETUP EXE 84992 06-21-89 12:00p INSPECT EXE 59392 06-21-89 12:00p README CPQ 1849 06-21-89 12:00p 6 file(s) 400425 bytes Total files listed: 6 file(s) 400425 bytes 327680 bytes free ### Directory of COMPAQ MS-DOS 3.31 (Disk 5) Volume in drive A is USER 072789 Volume Serial Number is 10D5-0C56 Directory of A:\ IBMBIO COM 33688 04-05-89 12:00p IBMDOS COM 37528 04-05-89 12:00p COMMAND COM 37667 04-05-89 12:00p OS2 07-27-89 12:00p DOS331 07-27-89 12:00p AUTOEXEC BAT 33 07-27-89 12:00p README CPQ 1694 07-27-89 12:00p ADAPT COM 18514 07-27-89 12:00p CACHE EXE 26210 07-27-89 12:00p CEMM EXE 33157 07-27-89 12:00p CEMMP EXE 16261 07-27-89 12:00p CHARSET COM 2761 07-27-89 12:00p CLOCK SYS 1773 07-27-89 12:00p HELP COM 39448 07-27-89 12:00p INSTALL EXE 75673 07-27-89 12:00p KEYB COM 11030 07-27-89 12:00p KEYBDP COM 13340 07-27-89 12:00p KP COM 18840 07-27-89 12:00p MODE COM 28136 07-27-89 12:00p PWRCON COM 37084 07-27-89 12:00p THINNO F8 2048 07-27-89 12:00p THINNO F14 3584 07-27-89 12:00p THINNO F16 4096 07-27-89 12:00p THINUS F8 2048 07-27-89 12:00p THINUS F14 3584 07-27-89 12:00p THINUS F16 4096 07-27-89 12:00p KEYBOARD SYS 41144 07-27-89 12:00p VDISK SYS 7946 07-27-89 12:00p ADAPT CFG 4 01-01-80 12:15a DOS 890 09-11-89 8:09a CONFIG SYS 0 09-17-89 1:43p CF000292 0 09-17-89 1:43p 32 file(s) 502277 bytes Directory of A:\DOS331 . 07-27-89 12:00p .. 07-27-89 12:00p MODE COM 15194 07-27-89 12:00p 3 file(s) 15194 bytes Directory of A:\OS2 . 07-27-89 12:00p .. 07-27-89 12:00p KP COM 18840 07-27-89 12:00p PWRCON COM 37084 07-27-89 12:00p MOUSEA05 SYS 17462 07-27-89 12:00p PWRCON SYS 3114 07-27-89 12:00p 6 file(s) 76500 bytes Total files listed: 41 file(s) 593971 bytes 118784 bytes free ### Directory of COMPAQ MS-DOS 3.31 (Diagnostics) Volume in drive A has no label Directory of A:\ IBMBIO COM 23591 09-16-87 12:00p IBMDOS COM 30632 09-16-87 12:00p COMMAND COM 25332 09-16-87 12:00p AUTOEXEC BAT 33 01-29-88 12:00p CONFIG SYS 12 01-29-88 12:00p DISKCOPY COM 6264 09-16-87 12:00p ROMREV COM 1248 01-29-88 12:00p USER EXE 193264 01-29-88 12:00p TEST COM 1984 01-29-88 12:00p SETUP EXE 39968 01-29-88 12:00p README CPQ 1464 01-29-88 12:00p 1 BAT 70 01-29-88 12:00p 2 BAT 71 01-29-88 12:00p 3 BAT 72 01-29-88 12:00p TEST SCR 549 01-29-88 12:00p SETUP SCR 652 01-29-88 12:00p ROMREV SCR 518 01-29-88 12:00p 17 file(s) 325724 bytes Total files listed: 17 file(s) 325724 bytes 16384 bytes free [Return to [COMPAQ MS-DOS Disks](/disks/pcx86/dos/compaq/)]