Ask HN: DOS Based "Multitaskers"

alexshendi | 5 points

MS-DOS 4.0 maybe? It's the only version with multitasking built straight into the kernel.

It has been open sourced a while ago: https://github.com/microsoft/MS-DOS

mindcrash | 12 hours ago

Windows 3.1?

Since you mention OS/2.

brudgers | a day ago