For the record, I also remember MS-DOS and PC-DOS. The first computer I used regularly ran on CP/M. (But I'm not quite as old as you . . . )
We old f@rts need to stick together!
"The only surce of knowledge is experience." Albert Einstein
Unfortunately, many people deny experience - they keep doing the same things over and over and expect each time a different result. This is a clear sign of insanity....