Q63906: MS-DOS 1.x-6.22 System File Naming Conventions
Article: Q63906
Product(s): Microsoft Disk Operating System
Version(s): MS-DOS:1.x,2.x,3.x,4.x,5.x,6.0,6.2,6.21,6.22
Operating System(s):
Keyword(s):
Last Modified: 17-DEC-2000
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The information in this article applies to:
- Microsoft MS-DOS operating system versions 1.x, 2.11, 3.1, 3.2, 3.21, 3.3, 3.3a, 4.0, 4.01, 5.0, 5.0a, 6.0, 6.2, 6.21, 6.22
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SUMMARY
=======
The two most frequently used naming conventions for system files are the ones
used by Microsoft MS-DOS and IBM for PC-DOS. They are as follows:
Filename Product
-------------------------------
IO.SYS/MS-DOS.SYS Microsoft MS-DOS
IBMBIO.COM/IBMDOS.COM IBM PC-DOS
MORE INFORMATION
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These are not the only names used for system files, but they are the most
common. The following is a list of some original equipment manufacturer (OEM)
versions of DOS and their system filenames:
OEM Versions System Filenames
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AT&T 3.1, 3.2, 3.30a IBMBIO.COM IBMDOS.COM
Bluechip 3.2 IO.SYS MSDOS.SYS
Compaq 1.1, 1.11 IOSYS.COM MSDOS.COM
Compaq 2.01+ IBMBIO.COM MSDOS.COM
Dell 3.3 IO.SYS MSDOS.SYS
DTK 4.01 IO.SYS MSDOS.SYS
EPC/EMPAC 4.01 IO.SYS MSDOS.SYS
HP Vectra 3.2 IBMBIO.COM IBMDOS.COM
ITT 2.11, 3.10 IBMBIO.COM IBMDOS.COM
IBM All IBMBIO.COM IBMDOS.COM
Intel 4.01 IO.SYS MSDOS.SYS
Lyi-Cheng 4.01 IO.SYS MSDOS.SYS
Microsoft All IO.SYS MSDOS.SYS
NCR 2.11 IO.SYS MSDOS.SYS
NCR 3.20.20 IBMBIO.COM IBMDOS.COM
Northgate 4.0 IO.SYS MSDOS.SYS
Parcorp 3.3 IO.SYS MSDOS.SYS
Phoenix 4.01 IO.SYS MSDOS.SYS
Sperry 3.2 MIO.SYS MSDOS.SYS
Tandy 2.11 IO.SYS MSDOS.SYS
Tandy 3.1, 3.2, 3.3 IBMBIO.COM IBMDOS.COM
Telex 3.21 IO.SYS MSDOS.SYS
Wang 2.11 BIOS.SYS MSDOS.SYS
Wyse 3.1, 3.21, 3.3 IBMBIO.COM IBMDOS.COM
Zenith 2.11, 3.21 IBMBIO.COM IBMDOS.COM
NOTE: This is not a complete list of OEMs; only the listed versions were checked.
Additional query words: 6.22 1.x 2.x 3.x 4.00 4.01 4.01a 5.00 5.00a 6.00 6.20
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Keywords :
Technology : kbMSDOSSearch kbMSDOS321 kbMSDOS400 kbMSDOS1xSearch kbMSDOS320 kbMSDOS330a kbMSDOS621 kbMSDOS622 kbMSDOS620 kbMSDOS600 kbMSDOS310 kbMSDOS500 kbMSDOS330 kbMSDOS401 kbMSDOS500a kbMSDOS211
Version : MS-DOS:1.x,2.x,3.x,4.x,5.x,6.0,6.2,6.21,6.22
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