OS/2 was an operating system originally developed jointly by Microsoft and IBM. Between the release of Windows 3.0 and OS/2 1.3, Microsoft stopped all cooperation with IBM and IBM developed OS/2 on its own, starting with OS/2 2.0.
Timeline[edit | edit source]
OS/2 Classic versions
|OS/2 1.0||1.0||CP/DOS||Released in 1987 without GUI.|
|OS/2 1.1||1.1||Trimaran||Released in 1988, first version with GUI.|
|OS/2 1.2||1.2||Sloop||Released in 1989|
|OS/2 1.3||1.3||Cutter||Released in 1990|
|OS/2 2.0||2.0||Cruiser||Released in 1992-04 without Microsoft.|
|OS/2 2.00.1||2.00.1||Riker||Released in 1992-10|
|OS/2 2.1||2.1||Borg (previously Yawl)||Released in 1993-05|
|OS/2 2.11||2.11||None||Released in 1994-02|
OS/2 Warp versions
|OS/2 Warp 3||3.0||Warp||Released in 1994-10|
|OS/2 Warp 4||4.0||Merlin||Released in 1996-09|
|OS/2 Warp Server for e-Business||4.5||Aurora||Released in 1999-04|
|OS/2 Warp 4.51||4.51||MCP/ACP||Released in 2000-11|
|OS/2 Warp 4.52||4.52||MCP2/ACP2||Released in 2001-12|
Planned versions that were never finished[edit | edit source]
Warp era[edit | edit source]
- Version 5.0
- Codename Gandalf or Merlin 2
- Developed 2003, probably scheduled for release in 2005.
- Development started but project was later scrapped.