History of OS/400
From MidrangeWiki
Revision as of 18:47, 21 February 2007 by MrDolomite (talk | contribs) (→Previous release support: add speculative V5R2 and Template:verify)
The operating system, like the hardware of the midrange family, has changed significantly since its release on August 26, 1988 as OS/400 Release 1. The latest version is known as i5/OS V5R4 and was released to general availability on February 11, 2006.
Predecessors
Release life cycle
Current releases
Previous release support
Values for TGTRLS parameter
| Installed release |
*CURRENT | *PRV | Other valid values |
|---|---|---|---|
| V5R3 | V5R3M0 | V5R2M0 | V5R1M0 V5R2M0 V5R3M0 |
| V5R2 | V5R2M0 | V5R1M0 | V5R1M0 V5R2M0 [verification needed] |
| V5R1 | V5R1 | V4R5 | V4R4 |
| V4R5 | V4R5M0 | V4R4M0 | V3R2M0 V4R2M0 V4R3M0 V4R4M0 V4R5M0 |
| V4R4 | V4R4 | V4R3 | V4R2 V3R2 |
| V4R3 | V4R3 | V4R2 | V4R1 V3R7 V3R2 |
| V4R2 | V4R2M0 | V4R1M0 | V3R2M0 V3R7M0 V4R1M0 V4R1M4 V4R2M0 |
- from PDF
