No, not at all. I mean I do, but it was always complete and udder (sic) bullshit (See what I did there? In the middle of a baby formula shortage?).
Anyway, Here's what I remember. Apple was always a closed and proprietary platform, while the IBM PC compatible world was always open (once a couple of guys took it upon themselves to reverse engineer the BIOS).
So we went from S-100 to Apple's proprietary, vendor lock-in platforms to the IBM 5150 PC, which you had a choice of operating systems to run it on:
1.) IBM ROM BASIC - also called "Cassette BASIC". These machines had 64K motherboards, of which I have a few, and there was a DIN connector in the back of the chassis which you could plug in a cassette deck to LOAD and SAVE your programs. The IBM XT 8088 also included IBM Cassette BASIC.
2.) Digital Research CP/M - written almost entirely by Dr. Gary Kildall, the guy who actually made the personal computer possible in the first place, so that "The WOZ" could even create the Apple computer.
3.) IBM PC DOS 1.01 - written entirely by Tim Paterson, on loan to Microsoft by Rod Brock, the owner of SCP (Seattle Computer Works) where Paterson was employed.
There have been a few other operating systems since those initial three, such as MP/M, GEM, Coherent, Venix, SCO XENIX System V, PC/IX, Idris, and a few others. All of these will run on an 8086, with most capable (technically) of running on an 8088.
Later hardware opened the door to a plethora of options including Netware (80286 based systems), and for the i386 class of machines came the 4.2 BSD port affectionately called Jolix (386BSD), followed by NetBSD, FreeBSD, and Linux.
As you might have already guessed, I have many of these historic operating systems ready to run on old PC compatible hardware that I own.
Windows isn't an actual operating system until NT 3.50 was released (LanManager technology thanks to James Allchin of Banyan Vines fame). Prior to that it was an effective Window manager on top of MS-DOS, DR-DOS, etc., with Windows being the actual alternative task switching windowing environment to its predecessors IBM TopView and Quarterdeck DESQview, respectively, the latter of which eventually evolving into DESQview/X - a complete Motif based X-Windows environment that could run UNIX applications with nothing but an IP Address and NetBIOS (on top of DOS, of course, like Digital Research DOS and QEMM386 for memory management).
NT 3.50 and NT 3.51 were based on the WFW desktop design, while NT 4.0 and later were based on the Win95 style of desktop.
If you want to know if any particular version of MS-Windows is an actual OS, and not just window dressing, then simply look and see if it's running on DOS or Ntoskernl.
It was thought, or at least inferred by Linus Torvalds at one time, that Linux couldn't be ported to the 286 w/o a lot of pain and suffering. I do believe there was a successful independent effort to achieve this, but obviously, the 286 lacks a lot of internals that could make Linux what it is on the >= 386 class system.
Apple, on the other hand, or at least Apple clones, could at one time run the MS Windows desktop, but I've always been proudly MAC Stupid, so I can't really delve authoritatively into that subject matter :) For the most part, Apple has always been a closed system at that asshole Steve Jobs' insistence, even though this was not the vision of The WOZ (who is a great hero - Jobs was a marketing genius, but nevertheless a piece of shit).
I'll leave you with two of my favorite quotes of all time :)
"IBM wanted CP/M prompts. It made me throw up."
- Tim Paterson
"Ask Bill why the string in [MS-DOS] function 9 is terminated by a
dollar sign. Ask him, because he can't answer. Only I know that."
- Dr. Gary Kildall.