So I decided to make a list of all the operating systems I’ve ever used. now by used I mean really used for meaningfull stuff not just logged in on once. I think I have written a program on everyone of these. Most of them for actual money. On everyone of them I have had administrative privs equivilent to root on Unix. On the ones marked with an * I had knonwledge of the internals of the operating system at a level that let me make modifications to it or use internal tables\/data in ways that regular programers could not. For RSTS\/E I was actually part of the OS development group and wrote extensive code that was shipped with the OS to customers.
\n\u2022\tIBM 1130 DOS
\n\u2022\tRSTS\/E *
\n\u2022\tOS8\/COS-310
\n\u2022\tRT-11\/CTS-300 *
\n\u2022\tRSX-11M (and other closely related)
\n\u2022\tTRAX
\n\u2022\tOS 16 (Perkin Elmer\/Interdata)
\n\u2022\tOS 32 (Perkin Elmer\/Interdata) *
\n\u2022\tUnix\/Linux (several versions)
\n\u2022\tTOPS-10
\n\u2022\tTOPS-20
\n\u2022\tVMS (Vax\/VMS and Alpha VMS) *
\n\u2022\tMS-DOS\/Windows (lots of versions)
\n\u2022\tMac OS <\/p>\n
Two of them I actually like less than Unix\/Linux. A couple of others are less powerful than Unix\/Linux but so easy to setup and use that I like them better anyway. I don’t actually think of myself as being all that experienced BTW. There are a number of operating systems I wish I’d gotten to try. I think it is really too bad that there are so few operating systems in general use today. I blame Linux for that. Given the high cost of entry for developing a new OS competing with free means very little chance to recoop costs. And Linux sucks up all the people willing to work for free.<\/p>\n
BTW A few computers I’ve worked with hardly count as having a real OS. Such as the following:
\nPDP-8 with paper tape assembler
\nFirst generation TRS-80
\nIBM P6060
\nApple II<\/p>\n
Anyone here have a longer list?<\/p>\n","protected":false},"excerpt":{"rendered":"
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