Int 2Fh Multiplex Interrupt Overview
0100h Get PRINT.EXE Installed State DOS 3.0+
0101h Add File to Queue DOS 3.0+
0102h Remove File From Print Queue DOS 3.0+
0103h Cancel All Files in Print Queue DOS 3.0+
0104h Hold Print Jobs and Get Status DOS 3.0+
0105h Release Print Jobs DOS 3.0+
0106h Get Printer Device DOS 3.3+
0600h Get ASSIGN.COM Installed State DOS 3.0+
1000h Get SHARE.EXE Installed State DOS 3.0+
1100h Get Network Installed State DOS 3.1+
1400h Get NLSFUNC.EXE Installed State DOS 3.3+
1680h DOS Idle Call DOS 5.0+
1A00h Get ANSI.SYS Installed State DOS 4.0+
4300h Get HIMEM.SYS Installed State DOS 5.0+
4310h Get HIMEM.SYS Entry-Point Address DOS 5.0+
4800h Get DOSKEY.COM Installed State DOS 5.0+
4810h Read Command Line DOS 5.0+
4B01h Build Notification Chain DOS 5.0+
4B02h Detect Switcher DOS 5.0+
4B03h Allocate Switcher ID DOS 5.0+
4B04h Free Switcher ID DOS 5.0+
4B05h Identify Instance Data DOS 5.0+
AD80h Get KEYB.COM Version Number DOS 3.3+
AD81h Set KEYB.COM Active Code Page DOS 3.3+
AD82h Set KEYB.COM Country Flag DOS 3.3+
AD83h Get KEYB.COM Country Flag DOS 5.0+
B000h Get GRAFTABL.COM Installed State DOS 3.3+
B700h Get APPEND.EXE Installed State DOS 4.0+
B702h Get APPEND.EXE Version DOS 4.0+
B704h Get APPEND.EXE Directory List Address DOS 4.0+
B706h Get APPEND.EXE Modes Flag DOS 4.0+
B707h Set APPEND.EXE Modes Flag DOS 4.0+
B711h Set True-Name Flag DOS 4.0+