On the DOS side you had MS, IBM, and Digital Research.
You also had a bunch of commercial UNIXes: NextStep, Solaris, Xenix/SCO, etc. along with Linux and a variety of BSDs. There were also a ton of Sys4/5 implementations that were single-vendor specific so they could sell their hardware (which was x86 and not something more exotic) that have vanished to time because that business model only worked for a couple of years, if that.
There was of course two different Windows (NT, 9x), OS/2 which of course could also run (some) Windows apps, and a whole host of oddballs like QNX and BeOS and Plan9 or even CP/M86.
It was a lot less of a stodgy Linux-or-Windows monoculture, and I miss it.
…I still have some OS/2 (or, rather, ArcaOS) systems running here.
Mostly for a very limited subset of things that never really migrated across to “modern” windows - I have a BBS running on there because 16 bit DOS apps on OS/2 was pretty much the best way to run them when it was 1994, and in 2024 it’s still the best way to deal with them.
Oh yeah: there were a stuuuupid amount of OSes.
On the DOS side you had MS, IBM, and Digital Research.
You also had a bunch of commercial UNIXes: NextStep, Solaris, Xenix/SCO, etc. along with Linux and a variety of BSDs. There were also a ton of Sys4/5 implementations that were single-vendor specific so they could sell their hardware (which was x86 and not something more exotic) that have vanished to time because that business model only worked for a couple of years, if that.
There was of course two different Windows (NT, 9x), OS/2 which of course could also run (some) Windows apps, and a whole host of oddballs like QNX and BeOS and Plan9 or even CP/M86.
It was a lot less of a stodgy Linux-or-Windows monoculture, and I miss it.
deleted by creator
…I still have some OS/2 (or, rather, ArcaOS) systems running here.
Mostly for a very limited subset of things that never really migrated across to “modern” windows - I have a BBS running on there because 16 bit DOS apps on OS/2 was pretty much the best way to run them when it was 1994, and in 2024 it’s still the best way to deal with them.