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 INT 2Fh           All functions
 INT 2Fh, 0100h    Print - Installation check
 INT 2Fh, 0101h    Print - Submit file
 INT 2Fh, 0102h    Print - Remove file
 INT 2Fh, 0103h    Print - Remove all files
 INT 2Fh, 0104     Print - Hold queue/get status
 INT 2Fh, 0105h    Print - Restart queue
 INT 2Fh, 0106h    Print - Check if output device ready ???
 INT 2Fh, 0200h    Pc lan program redir/redirifs internal - install check
 INT 2Fh, 0201h    Pc lan program redir/redirifs internal - ???
 INT 2Fh, 0202h    Pc lan program redir/redirifs internal - ???
 INT 2Fh, 0203h    Pc lan program redir/redirifs internal - ???
 INT 2Fh, 0204h    Pc lan program redir/redirifs internal - ???
 INT 2Fh, 0201h    Pc lan program redir/redirifs internal - ???
 INT 2Fh, 0500h    Dos 3+ critical error handler - installation check
 INT 2Fh, 05xxh    Dos 3+ critical error handler - Handle error
 INT 2Fh, 0600h    Assign - Installation check
 INT 2Fh, 0601h    Assign - Get memory segment
 INT 2Fh, 0800h    DRIVER.SYS support - Installation check
 INT 2Fh, 0801h    DRIVER.SYS support - Add new block device
 INT 2Fh, 0800h    DRIVER.SYS support - Execute device driver request
 INT 2Fh, 10h      Share - Installation check
 INT 2Fh, 1100h    Network redirector - installation check
 INT 2Fh, 1101h    Network redirector - rmdir???
 INT 2Fh, 1103h    Network redirector - mkdir???
 INT 2Fh, 1105h    Network redirector - ???
 INT 2Fh, 1106h    Network redirector - Close remote file
 INT 2Fh, 1107h    Network redirector - ???
 INT 2Fh, 1108h    Network redirector - Read from remote file
 INT 2Fh, 1109h    Network redirector - Write to remote file
 INT 2Fh, 110Ah    Network redirector - Lock region of file
 INT 2Fh, 110Bh    Network redirector - Unlock region of file
 INT 2Fh, 110Ch    Network redirector - Get disk space
 INT 2Fh, 110Eh    Network redirector - Set remote file's attributes
 INT 2Fh, 110Fh    Network redirector - Get remote file's attributes
 INT 2Fh, 1111h    Network redirector - Rename remote file
 INT 2Fh, 1113h    Network redirector - Delete remote file ???
 INT 2Fh, 1116h    Network redirector - Open existing remote file???
 INT 2Fh, 1117h    Network redirector - Create remote file???
 INT 2Fh, 1118h    Network redirector - Create remote file???
 INT 2Fh, 1119h    Network redirector - Chdir ???
 INT 2Fh, 111Bh    Network redirector - Findfirst ???
 INT 2Fh, 111Ch    Network redirector - Findnext ???
 INT 2Fh, 111Dh    Network redirector - Close all remote files for process???
 INT 2Fh, 111Eh    Network redirector - Close all remote files for process???
 INT 2Fh, 111Fh    Network redirector - Printer setup
 INT 2Fh, 1120h    Network redirector - Reset disks and flush buffers???
 INT 2Fh, 1121h    Network redirector - Seek on remote file???
 INT 2Fh, 1122h    Network redirector - Process termination hook???
 INT 2Fh, 1123h    Network redirector - ???
 INT 2Fh, 1124h    Network redirector - ???
 INT 2Fh, 1125h    Network redirector - ???
 INT 2Fh, 1126h    Network redirector - ???
 INT 2Fh, 1200h    DOS Internal - Installation check
 INT 2Fh, 1201h    DOS Internal - Close current file???
 INT 2Fh, 1202h    DOS Internal - Get interrupt address
 INT 2Fh, 1203h    DOS Internal Get dos data segment
 INT 2Fh, 1204h    DOS Internal Normalize path separator
 INT 2Fh, 1205h    DOS Internal Output character
 INT 2Fh, 1206h    DOS Internal Invoke critical error
 INT 2Fh, 1207h    DOS Internal Make disk buffer most-recently used
 INT 2Fh, 1208h    DOS Internal Decrement word
 INT 2Fh, 1209h    DOS Internal Flush and free disk buffer
 INT 2Fh, 120Ah    DOS Internal - ???
 INT 2Fh, 120Bh    DOS Internal - ???
 INT 2Fh, 120Ch    DOS Internal - ???
 INT 2Fh, 120Dh    DOS Internal - Get date and time
 INT 2Fh, 120Eh    DOS Internal - Free all disk buffers
 INT 2Fh, 120Fh    DOS Internal - Make buffer most recently used
 INT 2Fh, 1210h    DOS Internal - Find free disk buffer
 INT 2Fh, 1211h    DOS Internal - Normalize asciz filename
 INT 2Fh, 1212h    DOS Internal - Get length of asciz string
 INT 2Fh, 1213h    DOS Internal - Uppercase character
 INT 2Fh, 1214h    DOS Internal - Compare far pointers
 INT 2Fh, 1215h    DOS Internal - Flush buffer
 INT 2Fh, 1216h    DOS Internal - Get address of system fcb
 INT 2Fh, 1217h    DOS Internal - Set default drive ???
 INT 2Fh, 1218h    DOS Internal - Get caller's registers
 INT 2Fh, 1219h    DOS Internal - ???
 INT 2Fh, 121Ah    DOS Internal - Get file's drive
 INT 2Fh, 121Bh    DOS Internal - Set year/length of february
 INT 2Fh, 121Ch    DOS Internal - Checksum memory
 INT 2Fh, 121Dh    DOS Internal - Sum memory
 INT 2Fh, 121Eh    DOS Internal - Compare filenames
 INT 2Fh, 121Fh    DOS Internal - Build drive info block
 INT 2Fh, 1220h    DOS Internal - Get system file table number
 INT 2Fh, 1221h    DOS Internal - Qualify file name
 INT 2Fh, 1222h    DOS Internal - Set extended error info???
 INT 2Fh, 1223h    DOS Internal - Check if character device???
 INT 2Fh, 1224h    DOS Internal - Delay
 INT 2Fh, 1225h    DOS Internal - Get length of asciz string
 INT 2Fh, 1226h    DOS Internal - Open file
 INT 2Fh, 1227h    DOS Internal - Close file
 INT 2Fh, 1228h    DOS Internal - Move file pointer
 INT 2Fh, 1229h    DOS Internal - Get system file table entry for file
 INT 2Fh, 122Ah    DOS Internal - Set fastopen entry point
 INT 2Fh, 122Bh    DOS Internal - Ioctl???
 INT 2Fh, 122Ch    DOS Internal - Get device chain
 INT 2Fh, 122Dh    DOS Internal - Get extended error code
 INT 2Fh, 122Eh    DOS Internal - Get ???
 INT 2Fh, 1213h    DOS Internal - Set ???
 INT 2Fh, 1400h    DOS Internal - Installation check
 INT 2Fh, 1401h    Nlsfunc.com - ???
 INT 2Fh, 1402h    Nlsfunc.com - ???
 INT 2Fh, 1403h    Nlsfunc.com - ???
 INT 2Fh, 1500h    CDROM - Installation check
 INT 2Fh, 1501h    CDROM - Get drive device list
 INT 2Fh, 1502h    CDROM - Get copyright file name
 INT 2Fh, 1503h    CDROM - Get abstract file name
 INT 2Fh, 1504h    CDROM - Get bibliographic doc file name
 INT 2Fh, 1505h    CDROM - Read vtoc
 INT 2Fh, 1506h    CDROM - Turn debugging on
 INT 2Fh, 1507h    CDROM - Turn debugging off
 INT 2Fh, 1508h    CDROM - Absolute disk read
 INT 2Fh, 1509h    CDROM - Absolute disk write
 INT 2Fh, 150Ah    CDROM - Reserved
 INT 2Fh, 150Bh    CDROM 2.00 - Drive check
 INT 2Fh, 150Ch    CDROM 2.00 - Get mscdex.exe version
 INT 2Fh, 150Dh    CDROM 2.00 - Get cdrom drive letters
 INT 2Fh, 150Eh    CDROM 2.00 - Get/set volume descriptor preference
 INT 2Fh, 150Fh    CDROM 2.00 - Get directory entry
 INT 2Fh, 1510h    CDROM 2.00 - Send device driver request
 INT 2Fh, 1900h    Dos 4.0 shellb.com - Installation check
 INT 2Fh, 1901h    Dos 4.0 shellb.com - Shellc.exe interface
 INT 2Fh, 1902h    Dos 4.0 shellb.com - Command.com interface
 INT 2Fh, 1903h    Dos 4.0 shellb.com - Command.com interface
 INT 2Fh, 1904h    Dos 4.0 shellb.com - Shellb.com transient to tsr interface
 INT 2Fh, 1A00h    Dos 4+ ansi.sys internal - Installation check
 INT 2Fh, 1A01h    Dos 4+ ansi.sys internal - Get/set display information
 INT 2Fh, 1A02h    Dos 4+ ansi.sys internal - Misc requests
 INT 2Fh, 1B00h    Dos 4+ DOS 4+ XMA2EMS.SYS extension internal - Installation check
 INT 2Fh, 1B00h    Dos 4+ DOS 4+ XMA2EMS.SYS extension internal - Get hidden frame info
 INT 2Fh, 4300h    XMS - Installation check
 INT 2Fh, 4310h    XMS - Get driver address
 INT 2Fh, 4653h    F-LOCK.EXE
 INT 2Fh, 4653h    F-XCHK.EXE
 INT 2Fh, 4653h    F-POPUP.EXE
 INT 2Fh, 5453h    TesSeRact RAM-RESIDENT PROGRAM INTERFACE
 INT 2Fh, 6400h    SCRNSAV2.COM - Installation check
 INT 2Fh, 7A00h    Novell NetWare - Low-level api (ipx) installation check
 INT 2Fh, 8000h    EASY-NET - Installation check
 INT 2Fh, 8900h    WHOA!.COM - Installation check
 INT 2Fh, 8901h    WHOA!.COM - Uninstall
 INT 2Fh, 8902h    WHOA!.COM - Set delay count
 INT 2Fh, 90h      RAID - ???
 INT 2Fh, AA01h    VIDCLOCK.COM - Installation check
 INT 2Fh, AD00h    DOS 3.3+ DISPLAY.SYS internal - Installation check
 INT 2Fh, AA01h    DOS 3.3+ DISPLAY.SYS internal - ???
 INT 2Fh, AA02h    DOS 3.3+ DISPLAY.SYS internal - ???
 INT 2Fh, AA03h    DOS 3.3+ DISPLAY.SYS internal - ???
 INT 2Fh, AA10h    DOS 3.3+ DISPLAY.SYS internal - ???
 INT 2Fh, AD80h    DOS 3.3+ KEYB.COM internal - Installation check
 INT 2Fh, AD81h    DOS 3.3+ KEYB.COM internal - ???
 INT 2Fh, AD82h    DOS 3.3+ KEYB.COM internal - ???
 INT 2Fh, AE00h    DOS 3.3+ Installable command - Install check
 INT 2Fh, AE01h    DOS 3.3+ Installable command - Execute
 INT 2Fh, B000h    DOS 3.3+ GRAFTABL.COM - Installation check
 INT 2Fh, B001h    DOS 3.3+ GRAFTABL.COM - Get ???
 INT 2Fh, B001h    DOS 3.3+ GRAFTABL.COM - Get ???
 INT 2Fh, B700h    Append - Installation check
 INT 2Fh, B701h    Append - ???
 INT 2Fh, B702h    Append - Version check
 INT 2Fh, B704h    Append - Get append path
 INT 2Fh, B706h    Append - Get append function state
 INT 2Fh, B707h    Append - Set append function state
 INT 2Fh, B711h    Append - Set return found name state
 INT 2Fh, B800h    Network - Installation check
 INT 2Fh, B803h    Network - Get current post address
 INT 2Fh, B804h    Network - Set new post address
 INT 2Fh, B809h    Network - ???
 INT 2Fh, B809h    Network - Version check
 INT 2Fh, BF00h    PC LAN PROGRAM REDIRIFS.EXE internal - Installation check
 INT 2Fh, BF01h    PC LAN PROGRAM REDIRIFS.EXE internal - ???
 INT 2Fh, BF80h    PC LAN PROGRAM REDIRIFS.EXE internal - Set redirifs entry point
 INT 2Fh, CB00h    Communicating Applications Spec - Installation check
 INT 2Fh, CB01h    Communicating Applications Spec - Submit a task
 INT 2Fh, CB02h    Communicating Applications Spec - Abort current event
 INT 2Fh, CB05h    Communicating Applications Spec - Find first queue entry
 INT 2Fh, CB05h    Communicating Applications Spec - Find next queue entry
 INT 2Fh, CB06h    Communicating Applications Spec - Open file
 INT 2Fh, CB08h    Communicating Applications Spec - Delete file
 INT 2Fh, CB09h    Communicating Applications Spec - Delete all files in Q
 INT 2Fh, CB0Ah    Communicating Applications Spec - Get event date
 INT 2Fh, CB0Bh    Communicating Applications Spec - Set task date
 INT 2Fh, CB0Ch    Communicating Applications Spec - Get event time
 INT 2Fh, CB0Dh    Communicating Applications Spec - Set task time
 INT 2Fh, CB0Eh    Communicating Applications Spec - Get external data block
 INT 2Fh, CB0Fh    Communicating Applications Spec - Get/set autoreceive
 INT 2Fh, CB10h    Communicating Applications Spec - Get event status
 INT 2Fh, CB11h    Communicating Applications Spec - Get queue status
 INT 2Fh, CB12h    Communicating Applications Spec - Get hardware status
 INT 2Fh, CB13h    Communicating Applications Spec - Get diagnostics results
 INT 2Fh, CB13h    Communicating Applications Spec - Start diagnostics
 INT 2Fh, CB14h    Communicating Applications Spec - Move received file
 INT 2Fh, CB15h    Communicating Applications Spec - Submit file to send
 INT 2Fh, CD00h    SWELL.EXE - Installation check
 INT 2Fh, CD01h    SWELL.EXE - Suspend once
 INT 2Fh, CD02h    SWELL.EXE - Suspend
 INT 2Fh, CD03h    SWELL.EXE - Activate
 INT 2Fh, CD04h    SWELL.EXE - Turn off verbose mode
 INT 2Fh, CD05h    SWELL.EXE - Turn on verbose mode
 INT 2Fh, CD06h    SWELL.EXE - Uninstall
 INT 2Fh, CD07h    SWELL.EXE - Get info
 INT 2Fh, CD08h    SWELL.EXE - Unused
 INT 2Fh, CD09h    SWELL.EXE - TURN OFF "Borland support"
 INT 2Fh, CD0Ah    SWELL.EXE - TURBO ON "Borland support"
 INT 2Fh, CD00h    Intel Image Processing Interface - Installation check
 INT 2Fh, CD01h    Intel Image Processing Interface - Set device name
 INT 2Fh, CD02h    Intel Image Processing Interface - Get version number
 INT 2Fh, CD03h    Intel Image Processing Interface - Select scan line
 INT 2Fh, CD04h    Intel Image Processing Interface - Move bitmap to scanline
 INT 2Fh, CD05h    Intel Image Processing Interface - Print page
 INT 2Fh, CD06h    Intel Image Processing Interface - Clear page
 INT 2Fh, CD07h    Intel Image Processing Interface - reserved
 INT 2Fh, CD08h    Intel Image Processing Interface - Screen image
 INT 2Fh, CD09h    Intel Image Processing Interface - Load screen
 INT 2Fh, CD0Ah    Intel Image Processing Interface - Load palette
 INT 2Fh, D44Dh    4dos.com v2.1+
 INT 2Fh, E300h    ANARKEY.COM - Installation check
 INT 2Fh, E301h    ANARKEY.COM v2.0 - Get ???
 INT 2Fh, F700h    AUTOPARK.COM - Installation check