[Angelino97]

Remember how, after allowing Microsoft to keep MS-DOS, IBM tried to rectify their mistake by starting a new operating system called OS2/Warp?

And they tried to recapture the PC market with the PS/2?

They finally succeeded with the Thinkpad, which they later sold to China's Lenovo corp.

[Labyrinthos]

I remember all of that. We had one of the first Thinkpad, as well as an IBM Selectric.

[Wuli]

My experience at the time says to me that Microsoft succeeded in two areas with MS-DOS and Windows where IBM failed with OS2.

Those two areas were marketing - Microsoft was a jaugernaught, where IBm remained staid, and engagement with and open to developrers outside of Microsoft, where IBM was an unfriendly heavy hand. I think OS2 was a technologically superior caddilac (a blind friend who was very tech savy once explained to me, from his perspective, the superiority of OS2, which gave him abilities neither MS-DOS or Windows was deliveruing) trying to keep everything caddilac while MS-DOS and Windows were Fords that developers rushed to improve and add to. I think IBM did that because at the first wave of the PC world IBM did not internally have faith in it, even as they tried to respond to it.

[markman46]

and OS/2 id still out there and being updated not by IBM, but by other companies.