MS-DOS: Difference between revisions

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[[Seattle Computer Products]] released [[86-DOS]] in August [[1980]]. It was licensed and then purchased by [[Microsoft]]. The 1.x versions of this operating system and its successors were heavily based on the [[CP/M]] operating system.
[[Seattle Computer Products]] released [[86-DOS]] in August [[1980]]. It was licensed and then purchased by [[Microsoft]]. The 1.x versions of this operating system and its successors were heavily based on the [[CP/M]] operating system.


[[Microsoft]] extended 86-DOS into [[PC DOS]] for [[IBM]]. PC DOS version 1.0 was released on August 12, [[1981]].
Microsoft licensed 86-DOS 1.10 to [[IBM]], which released it as PC DOS 1.0 on August 12, 1981.


In [[1982]], [[Microsoft]] began releasing it as MS-DOS while IBM continued to release it as PC DOS. The first version to be published by both companies was PC DOS 1.10 which was the basis for MS-DOS 1.24.
In [[1982]], [[Microsoft]] began releasing it as MS-DOS while IBM continued to release it as PC DOS. The first version to be published by both companies was PC DOS 1.10 which was the basis for MS-DOS 1.24.


[[1983]] saw MS-DOS 1.25, which was the basis for DOS distributions by manufacturers other than IBM. It was used as the basis for a DOS by [[Compaq]] as Compaq-DOS 1.12, by [[Texas Instruments]] as TI BOOT V. 1.13, by [[Zenith]] as Z-DOS 1.01. These were also alternately packaged MS-DOS 1.01.
[[1983]] saw MS-DOS 1.25, which was the basis for DOS distributions by manufacturers other than IBM. It was used as the basis for a DOS by [[Compaq]] as Compaq-DOS 1.12, by [[Texas Instruments]] as TI BOOT V. 1.13, by [[Zenith]] as Z-DOS 1.01 and 1.19. These were also alternately packaged MS-DOS 1.01.


MS-DOS 2.0, which was also released in 1983, was completely rewritten from its predecessors.
MS-DOS 2.0, which was also released in 1983, was completely rewritten from its predecessors.
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!| Notes
!| Notes
|-
|-
| style="border-style: solid; border-width: 1px; text-align:center" | MS-DOS 1.24
| style="border-style: solid; border-width: 1px; text-align:center" | [[PC DOS 1.0|MS-DOS 1.24]]
| style="border-style: solid; border-width: 1px; text-align:center" | 1982
| style="border-style: solid; border-width: 1px; text-align:center" | 1982
| style="border-style: solid; border-width: 1px; text-align:center" | Not yet.
| style="border-style: solid; border-width: 1px; text-align:center" | Not yet.
| style="border-style: solid; border-width: 1px; text-align:center" | 1.24 was the first release to bear the MS-DOS brand name. It was based on PC DOS 1.10.
| style="border-style: solid; border-width: 1px; text-align:center" | 1.24 was the first release to bear the MS-DOS brand name. It was based on PC DOS 1.10.
|-
|-
| style="border-style: solid; border-width: 1px; text-align:center" | MS-DOS 1.25<br />Compaq&nbsp;DOS&nbsp;1.12<br />TI-BOOT V. 1.13<br />Z-DOS 1.01<br />Z-DOS 1.19
| style="border-style: solid; border-width: 1px; text-align:center" | [[PC DOS 1.0|MS-DOS 1.25]]<br />[[PC DOS 1.0|Compaq&nbsp;DOS&nbsp;1.12]]<br />[[PC DOS 1.0|TI-BOOT V. 1.13]]<br />[[PC DOS 1.0|Z-DOS 1.01]]<br />[[PC DOS 1.0|Z-DOS 1.19]]
| style="border-style: solid; border-width: 1px; text-align:center" | 1983
| style="border-style: solid; border-width: 1px; text-align:center" | 1983
| style="border-style: solid; border-width: 1px; text-align:center" | Not yet.
| style="border-style: solid; border-width: 1px; text-align:center" | Not yet.
| style="border-style: solid; border-width: 1px; text-align:center" | 1.25 was the basis for operating systems from Compaq, Texas Instruments, and Zenith. These were also alternately packaged as MS-DOS 1.01.
| style="border-style: solid; border-width: 1px; text-align:center" | 1.25 was the basis for operating systems from Compaq, Texas Instruments, and Zenith. These were also alternately packaged as MS-DOS 1.01.
|-
|-
| style="border-style: solid; border-width: 1px; text-align:center" | MS-DOS 2.0
| style="border-style: solid; border-width: 1px; text-align:center" | [[MS-DOS 2.0]]
| style="border-style: solid; border-width: 1px; text-align:center" | 1983
| style="border-style: solid; border-width: 1px; text-align:center" | 1983
| style="border-style: solid; border-width: 1px; text-align:center" | Not yet
| style="border-style: solid; border-width: 1px; text-align:center" | Not yet

Latest revision as of 07:47, 29 November 2023

MS-DOS cover.png
MS-DOS
Developer Microsoft
Publisher Microsoft
Platforms x86
Released March 1982 - September 14, 2000
Added to
Museum
MS-DOS 3.3 (AGI Computer): February 7, 2021

MS-DOS, also known as Microsoft MS-DOS, is an operating system by Microsoft.

History

Seattle Computer Products released 86-DOS in August 1980. It was licensed and then purchased by Microsoft. The 1.x versions of this operating system and its successors were heavily based on the CP/M operating system.

Microsoft licensed 86-DOS 1.10 to IBM, which released it as PC DOS 1.0 on August 12, 1981.

In 1982, Microsoft began releasing it as MS-DOS while IBM continued to release it as PC DOS. The first version to be published by both companies was PC DOS 1.10 which was the basis for MS-DOS 1.24.

1983 saw MS-DOS 1.25, which was the basis for DOS distributions by manufacturers other than IBM. It was used as the basis for a DOS by Compaq as Compaq-DOS 1.12, by Texas Instruments as TI BOOT V. 1.13, by Zenith as Z-DOS 1.01 and 1.19. These were also alternately packaged MS-DOS 1.01.

MS-DOS 2.0, which was also released in 1983, was completely rewritten from its predecessors.

Legacy

DOS became a common shorthand for MS-DOS and those operating systems compatible with it.

Versions of MS-DOS

Title Released Date Added to the Museum Notes
MS-DOS 1.24 1982 Not yet. 1.24 was the first release to bear the MS-DOS brand name. It was based on PC DOS 1.10.
MS-DOS 1.25
Compaq DOS 1.12
TI-BOOT V. 1.13
Z-DOS 1.01
Z-DOS 1.19
1983 Not yet. 1.25 was the basis for operating systems from Compaq, Texas Instruments, and Zenith. These were also alternately packaged as MS-DOS 1.01.
MS-DOS 2.0 1983 Not yet 2.0 was completely rewritten from its predecessors.