| Developer(s) | JP Software, SciTech Software, NetLabs.org |
|---|---|
| Initial release | 8 June 1992 |
| Stable release | JP Software: 4OS2 3.04a
/ 29 October 2002 |
| Operating system | OS/2, ArcaOS |
| Available in | English |
| Type | Command shell |
| License | Source-available, JP Software shareware license; does not allow just using the software without registering it forever |
4OS2 is the OS/2 analogue of 4NT and 4DOS by JP Software, Inc. JP Software discontinued 4OS2, TCMDOS2 and TCMD16, making version 3.0, 2.0, 2.0 the final version of these. The code for 4OS2 has been released, and is maintained, first by SciTech, and then by NetLabs.