It used the 386's virtual capabilities, and DOS applications could be multitasked in the background and run in resizable windows. (Win 3.x, 286 and up)Used when applications did not work under 386 ...

At one point, that was a killer advantage of OS/2, and Microsoft sold the OS/2-based LAN Manager well into the Windows 3.x era, until Windows NT was ready. But there's context relevant to the ...

Windows 3.11 added peer-to-peer networking and was the last 16-bit 3.x version of Windows.