Int 21 Fn 37A0 - Xpack V1.52+ - Tsr Installation Check
Int 21 Fn 37A1 - Xpack V1.52+ - Uninstall
Int 21 Fn 37A2 - Xpack V1.52+ - Get Tsr Status
Int 21 Fn 37A3 - Xpack V1.52+ - Set Tsr Status
Int 21 Fn 37A6 - Xpack V1.65 - Get Temporary Directory Name
Int 21 Fn 37A7 - Xpack V1.65 - Set Temporary Directory Name
Int 21 Fn 37D0 - Diet V1.43e - Tsr Installation Check
Int 21 Fn 37D1 - Diet V1.43e - Get Diet.exe Resident Segment
Int 21 Fn 37D2 - Diet V1.43e - Get Tsr Control Flags
Int 21 Fn 37D3 - Diet V1.43e - Set Tsr Control Flags
Int 21 Fn 37D4 - Diet V1.43e - Get Tsr Options
Int 21 Fn 37D5 - Diet V1.43e - Set Tsr Options
Int 21 Fn 37D6 - Diet V1.43e - Get Temporary Directory Names
Int 21 Fn 37D7 - Diet V1.43e - Set Temporary Directory Names
Int 21 Fn 37DC - Diet V1.43e - Set Address Of External Procedure
Int 21 Fn 37DD - Diet V1.43e - Release External Procedure
Int 21 Fn 37DE - Diet V1.43e - Read Ems Status
Int 21 Fn 37DF - Diet V1.43e - Uninstall Tsr
Int 21 Fn 38 - Dos 2+ - Get Country-specific Information
Int 21 Fn 38 - Dos 3.0+ - Set Country Code
Int 21 Fn 39 - Dos 2+ - "mkdir" - Create Subdirectory
Int 21 Fn 3A - Dos 2+ - "rmdir" - Remove Subdirectory
Int 21 Fn 3B - Dos 2+ - "chdir" - Set Current Directory
Int 21 Fn 3C - Dos 2+ - "creat" - Create Or Truncate File
Int 21 Fn 3D - Dos 2+ - "open" - Open Existing File
Int 21 Fn 3D76 - Virus - "gt-spoof" -installation Check
Int 21 Fn 3DFF - Virus - "jd-448" - Installation Check
Int 21 Fn 3E - Dos 2+ - "close" - Close File
Int 21 Fn 3F - Dos 2+ - "read" - Read From File Or Device
Int 21 Fn 3F - Turbo Debug Hardware Breakpoints - Read Status Block
Int 21 Fn 3F - Pc/tcp Ipcust.sys - Read Configuration Data
Int 21 Fn 3F - Workgrp.sys - Get Entry Point
Int 21 Fn 3F - Bw-tcp - Get Driver Info
Int 21 Fn 3F - Trusted Access - Nb.sys - Get State
Int 21 Fn 3F U - Ifshlp.sys - Get Entry Point
Int 21 Fn 3F - Virus - "kyz/liewait" - Installation Check
Int 21 Fn 40 - Dos 2+ - "write" - Write To File Or Device
Int 21 Fn 40 - Turbo Debug Hardware Breakpoints - Send Cmd To Hardware Brkp
Int 21 Fn 40 - Pc/tcp Ipcust.sys - Write Configuration Data
Int 21 Fn 40 U - Trusted Access - Nb.sys - Set State
Int 21 Fn 4000 - Fartbell.exe - Installation Check
Int 21 Fn 4001 - Fartbell.exe - Force Noise
Int 21 Fn 41 - Dos 2+ - "unlink" - Delete File
Int 21 Fn 4101 - Softlogic Data Guardian - ???
Int 21 Fn 42 - Dos 2+ - "lseek" - Set Current File Position
Int 21 Fn 4203 - Virus - "shake" - Installation Check
Int 21 Fn 4243 - Virus - "invader" - Installation Check
Int 21 Fn 4300 - Dos 2+ - Get File Attributes
Int 21 Fn 4301 - Dos 2+ - "chmod" - Set File Attributes
Int 21 Fn 4302 - Ms-dos 7 - Get Compressed File Size
Int 21 Fn 4302 - Dr Dos 3.41+ Internal - Get Access Rights
Int 21 Fn 4303 - Dr Dos 3.41+ Internal - Set Access Rights And Password
Int 21 Fn 4304 U - Dr Dos 5.0-6.0 Internal - Get Encrypted Password
Int 21 Fn 4305 U - Dr Dos 5.0-6.0 Internal - Set Extended File Attributes
Int 21 Fn 4306 O - Dr Dos 6.0 - Get File Owner
Int 21 Fn 4307 O - Dr Dos 6.0 - Set File Owner
Int 21 Fn 4310 - Banyan Vines 2.1+ - Get Extended File Attributes
Int 21 Fn 4311 - Banyan Vines 2.1+ - Set Extended File Attributes
Int 21 Fn 4321 - Q87, Q387 - Installation Check
Int 21 Fn 4321 - Q87, Q387 - Enable Emulator
Int 21 Fn 4321 - Q87, Q387 - Disable Emulator
Int 21 Fn 4380 - Novell Dos 7 - Undelete Pending Delete File
Int 21 Fn 4381 - Novell Dos 7 - Purge Pending Delete File
Int 21 Fn 4400 - Dos 2+ - Ioctl - Get Device Information
Int 21 Fn 4401 - Dos 2+ - Ioctl - Set Device Information
Int 21 Fn 4402 - Dos 2+ - Ioctl - Read From Character Device Control Channe
Int 21 Fn 4402 - Network Driver Interface Specification (ndis) 2.0.1 - Prot
Int 21 Fn 4402 - Network Driver Interface Specification (ndis) 2.0.1 - Protocol Manager (Cont.)
Int 21 Fn 4402 U - Ms-dos 7.0 - Config$ Device - Get Configuration Informat
Int 21 Fn 4402 U - Ibm System 36/38 Workstation Emulation - Vdi.sys - Get ?
Int 21 Fn 4402 U - Lastbyte.sys V1.19 - Ioctl - Get ??? Table
Int 21 Fn 4402 - Highumm.sys V1.17+ - Ioctl - Get Api Address
Int 21 Fn 4402 - Smartdrv.sys V3.x Only - Ioctl - Get Cache Status
Int 21 Fn 4402 - Cd-rom Device Driver - Ioctl Input
Int 21 Fn 4402 - Quarterdeck - Qemm-386 V5+ - Get Api Entry Point
Int 21 Fn 4402 U - Quarterdeck - Hookrom.sys - Get Hooked Vector Table
Int 21 Fn 4402 - Advanced Scsi Programming Interface (aspi) - Interface
Int 21 Fn 4402 U - Qualitas 386max V6.00+ - Ioctl Input - Get State
Int 21 Fn 4402 U - Qualitas 386max V6.00+ - Ioctl Input - Get State (Cont.)
Int 21 Fn 4402 - Pgs1600.dev - Ioctl - Get Configuration Info
Int 21 Fn 4402 - Pc/tcp Ipcust.sys - Reset Configuration Data Read Pointer
Int 21 Fn 4402 - Workgrp.sys - Get Api Entry Point
Int 21 Fn 4402 - 10net V5.0 - 10beui.dos - Api
Int 21 Fn 4402 - 10net V5.0 - 10memmgr.sys - Api
Int 21 Fn 4402 - Compaq Ag1024.sys - Rgdi - Get Driver Location
Int 21 Fn 4402 - Ftpsoft.dos V3.1 - Get ???
Int 21 Fn 4402 U - Pendos Pendev.sys - Get Entry Points
Int 21 Fn 4402 U - Lan Manager - Tcpdrv.dos - Api
Int 21 Fn 4402 U - Pc Tools 9 Cprlow.exe - Get Code And Data Addresses
Int 21 Fn 4402 U - Creative Technology Ctmmsys.sys V1.00.01 - Api
Int 21 Fn 4402 U - Creative Technology Ctsb2.sys V1.01.01 - Api
Int 21 Fn 4402 U - Novell Dos 7 Emm386.exe - Get State Record???
Int 21 Fn 4402 U - Memory Managers - Get Api Entry Point
Int 21 Fn 4402 U - Memory Managers - Get Emm Import Structure Address
Int 21 Fn 4402 U - Memory Managers - Get Memory Manager Version
Int 21 Fn 4402 U - Microsoft Emm386.exe V4.45 - Get Memory Manager Informat
Int 21 Fn 4402 U - Ifshlp.sys - Get Entry Point
Int 21 Fn 4403 - Dos 2+ - Ioctl - Write To Character Device Control Channel
Int 21 Fn 4403 - Smartdrv.sys V3.x Only - Ioctl - Cache Control
Int 21 Fn 4403 - Cd-rom Device Driver - Ioctl Output
Int 21 Fn 4403 U - Ms-dos 7.0 - Config$ Device - Set??? Configuration Infor
Int 21 Fn 4403 - Brian Antoine Seagate St-01 Scsi.sys - Ioctl - Execute Com
Int 21 Fn 4403 U - Ai Architects - Os/x86??? - Api
Int 21 Fn 4403 - Pgs1600.dev - Ioctl - Set Configuration???
Int 21 Fn 4403 - Pc/tcp Ipcust.sys - Reset Configuration Data Read Pointer
Int 21 Fn 4403 - Compaq Ag1024.sys - Cpq_mges - Ioctl Output
Int 21 Fn 4403 - Compaq Ag1024.sys - Rgdi - Ioctl Output
Int 21 Fn 4403 U - Qualitas 386max V6.01+ - Turn 386max Off
Int 21 Fn 4403 U - Qualitas 386max V6.01+ - Turn 386max On
Int 21 Fn 4403 U - Qualitas 386max V6.01+ - Set State
Int 21 Fn 4403 U - Qualitas 386max V7.00+ - Limit Automatic Activation To S
Int 21 Fn 4403 U - Qualitas 386max V7.00+ - Allow Automatic Activation On A
Int 21 Fn 4403 U - Pendos Pendev.sys - ???
Int 21 Fn 4404 - Dos 2+ - Ioctl - Read From Block Device Control Channel
Int 21 Fn 4404 - Stacker - Get Device Driver Address And Set Volume Number
Int 21 Fn 4404 - Stacker - Get Stacvol File Sectors
Int 21 Fn 4404 - Dubldisk.sys V2.6 - Get Info
Int 21 Fn 4404 - Dblspace.bin - Ioctl - Flush Or Invalidate Internal Caches
Int 21 Fn 4404 - Dblspace.bin V6.2 - Ioctl - Get ??? For Specified Drive
Int 21 Fn 4404 U - Doubletools V1.0 - Get ???
Int 21 Fn 4404 U - Xdisk V3.31 - Configure
Int 21 Fn 4404 - Combi-disk V1.13 - Get Data Record
Int 21 Fn 4404 - Sfs V1.00 - Get Configuration Information
Int 21 Fn 4405 - Dos 2+ - Ioctl - Write To Block Device Control Channel
Int 21 Fn 4405 - Brian Antoine Seagate St-01 Scsi.sys - Ioctl - Execute Com
Int 21 Fn 4405 U - Dblspace.bin - Ioctl - Flush Or Invalidate Internal Cach
Int 21 Fn 4405 U - Xdisk V3.31 - ???
Int 21 Fn 4405 - Combi-disk V1.13 - Control Combi-disk
Int 21 Fn 4405 - Sfs V1.00 - Driver Control
Int 21 Fn 4406 - Dos 2+ - Ioctl - Get Input Status
Int 21 Fn 4407 - Dos 2+ - Ioctl - Get Output Status
Int 21 Fn 4408 - Dos 3.0+ - Ioctl - Check If Block Device Removable
Int 21 Fn 4409 - Dos 3.1+ - Ioctl - Check If Block Device Remote
Int 21 Fn 440A - Dos 3.1+ - Ioctl - Check If Handle Is Remote
Int 21 Fn 440B - Dos 3.1+ - Ioctl - Set Sharing Retry Count
Int 21 Fn 440C - Dos 3.2+ - Ioctl - Generic Character Device Request
Int 21 Fn 440C - Greg Shenaut Aspitape.sys - Interface
Int 21 Fn 440D - Dos 3.2+ - Ioctl - Generic Block Device Request
Int 21 Fn 440D - Dos 3.2+ - Ioctl - Generic Block Device Request (Cont.)
Int 21 Fn 440D - Ms-dos 7.0 - Generic Ioctl - Lock Logical Volume
Int 21 Fn 440D - Ms-dos 7.0 - Generic Ioctl - Lock Physical Volume
Int 21 Fn 440D - Ms-dos 7.0 - Generic Ioctl - Unlock Logical Volume
Int 21 Fn 440D - Ms-dos 7.0 - Generic Ioctl - Unlock Physical Volume
Int 21 Fn 440D - Ms-dos 7.0 - Generic Ioctl - Get Lock Flag State
Int 21 Fn 440D - Ms-dos 7.0 - Generic Ioctl - Enumerate Open Files
Int 21 Fn 440D - Ms-dos 7.0 - Generic Ioctl - Find Swap File
Int 21 Fn 440D - Ms-dos 7.0 - Generic Ioctl - Get Current Lock State
Int 21 Fn 440D - Ms-dos 7.0 - Generic Ioctl - Get First Cluster
Int 21 Fn 440E - Dos 3.2+ - Ioctl - Get Logical Drive Map
Int 21 Fn 440F - Dos 3.2+ - Ioctl - Set Logical Drive Map
Int 21 Fn 4410 - Dos 5+ - Ioctl - Query Generic Ioctl Capability (handle)
Int 21 Fn 4410 U - Newspace - Enable Driver
Int 21 Fn 4411 - Dos 5+ - Ioctl - Query Generic Ioctl Capability (drive)
Int 21 Fn 4411 U - Newspace - Disable Driver
Int 21 Fn 4412 O - Dr Dos 5.0-6.0 - Determine Dos Type
Int 21 Fn 4412 U - Newspace - Installation Check???
Int 21 Fn 4413 U - Newspace - Get ???
Int 21 Fn 4414 OU - Dr Dos 5.0-6.0 - Set Global Password
Int 21 Fn 4414 U - Newspace - Debugging Dump
Int 21 Fn 4416 OU - Dr Dos 5.0-6.0 - History Buffer, Share, And Hiload Cont
Int 21 Fn 4451 - Concurrent Dos V3.2+ - Installation Check
Int 21 Fn 4452 - Dr Dos 3.41+ - Determine Dos Type/get Dr Dos Version
Int 21 Fn 4454 U - Dr Dos 3.41+ - Set Global Password
Int 21 Fn 4456 U - Dr Dos 5.0+ - History Buffer Control
Int 21 Fn 4457 U - Dr Dos 5.0-6.0 - Share/hiload Control
Int 21 Fn 4457 OU - Dr Dos 6.0 - Get Share Status
Int 21 Fn 4458 U - Dr Dos 5.0+ Internal - Get Pointer To Internal Variable
Int 21 Fn 4459 - Dr Multiuser Dos 5.0 - Api
Int 21 Fn 44A0 - Virus - "horns" - Installation Check
Int 21 Fn 44E0 U - Sun Pc-nfs - Api???
Int 21 Fn 44FF U - Newspace - ???
Int 21 Fn 45 - Dos 2+ - "dup" - Duplicate File Handle
Int 21 Fn 46 - Dos 2+ - "dup2", "forcedup" - Force Duplicate File Handle
Int 21 Fn 47 - Dos 2+ - "cwd" - Get Current Directory
Int 21 Fn 48 - Dos 2+ - Allocate Memory
Int 21 Fn 49 - Dos 2+ - Free Memory
Int 21 Fn 4A - Dos 2+ - Resize Memory Block
Int 21 Fn 4A - Virus???
Int 21 Fn 4A - Virus???
Int 21 Fn 4B - Dos 2+ - "exec" - Load And/or Execute Program
Int 21 Fn 4B - Dos 2+ - "exec" - Load And/or Execute Program (Cont.)
Int 21 Fn 4B - Dos 2+ - "exec" - Load And/or Execute Program (Cont.)
Int 21 Fn 4B - Elres V1.0 Only - Installation Check
Int 21 Fn 4B04 - Virus - "mg", "699"/"thirteen Minutes" - Installation Chec
Int 21 Fn 4B05 - Dos 5+ - Set Execution State
Int 21 Fn 4B18 U - Fboot V2.13 - Perform Fast Bootstrap
Int 21 Fn 4B20 - Virus - "holocaust"/"telefonica" - ???
Int 21 Fn 4B21 C - Virus - "holocaust"/"telefonica" - ???
Int 21 Fn 4B25 - Virus - "1063"/"mono" - Installation Check
Int 21 Fn 4B40 - Virus - "plastique"/"anticad" - Installation Check
Int 21 Fn 4B41 - Virus - "plastique"/"anticad" - ???
Int 21 Fn 4B4A - Virus - "jabberwocky" - Installation Check
Int 21 Fn 4B4B - Virus - "horse-2" - Installation Check
Int 21 Fn 4B4D - Virus - "murphy-2", "patricia"/"smack" - Installation Chec
Int 21 Fn 4B50 - Virus - "plastique-2576"/"anticad-2576" - Installation Che
Int 21 Fn 4B53 - Virus - "horse" - Installation Check
Int 21 Fn 4B53 - Virus - "one Half" - Installation Check
Int 21 Fn 4B55 - Virus - "sparse" - Installation Check
Int 21 Fn 4B59 - Virus - "murphy-1", "murphy-4" - Installation Check
Int 21 Fn 4B5E - Virus - "brothers" - Installation Check