DOSBOX emulates a version of DOS.
While Windows 3.1 runs on top of DOS, OS/2 does not, so it won't run in a DOS box.
You should note that OS/2 won't boot in an OS/2 DOSVM (ie DOS from Drive A:) either.
While Windows 3.1 runs on top of DOS, OS/2 does not, so it won't run in a DOS box.
You should note that OS/2 won't boot in an OS/2 DOSVM (ie DOS from Drive A:) either.