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  1.    24 Mar 2014 #21

    [ATTACH=full]855[/ATTACH]
    How about THIS -- running an emulated version of the old IBM mainframe system OS-MVS on a LAPTOP -- the TSO terminal is emulating a 3278 IBM terminal which actually had 4 colours !!!

    (If you want to try this download the HERCULES emulator and the MVS system from the " MVS Turnkey" project -- this was the last "Unbundled" IBM mainframe release where everything has been put in public domain). Any old IBM Sysprogs out there.

    http://www.hercules-390.org/

    http://www.bsp-gmbh.com/turnkey/
    Attached Thumbnails Attached Thumbnails mvs1.png  
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  2.    24 Mar 2014 #22

    LOL! What would you say that's dated?
    Late 70's? xDD
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  3.    24 Mar 2014 #23

    Quote Originally Posted by Tommy, post: 20389, member: 285
    LOL! What would you say that's dated?
    Late 70's? xDD
    Hi there
    around 1975 or so !!!!

    Actually Mainframes are making a bit of a comeback -- I can see why -- cheaper than 15,000 licences on client machines !!! and of course the sheer power of these things.

    IBM designed some good stuff in those days -- the IBM MVS system is a good introduction to concepts like I/O vs CPU bound, multi-tasking, paging / swap, supervisor (or privileged) mode vs application mode execution etc etc -- features that still barely exist in modern OS'es.

    I used to give some courses on basic OS principles -- the IBM MVS system was a good model for the students --taught them the basics that are still valuable today.

    Cheers
    jimbo
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  4.    24 Mar 2014 #24
    Join Date : Jan 2014
    Posts : 743
    Host W8.0 x64 Guest W10 x86

    I used to give some courses on basic OS principles
    It's funny how sometimes Engineers put stuff in and nobody uses it. As example the 386 has 4 rings of execution privilege 0 -3. The only OS I've seen myself that used other than just 0 and 3 was OS/2. If you wrote a DLL it ran at ring 2. But since they didn't really differentiate anything not 3 was running effectively at 0. Too many people were writing DLLs to do whatever they wanted.

    The other one that comes to mind is the Segment Descriptor Table on the 386. You could construct 48 bit addresses. But I guess people were sick of the old 8086 segment register hassle. So nobody used it. They just set them to 0 and used 32 bit addressing.
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  5.    25 Mar 2014 #25
    Join Date : Jan 2014
    Posts : 743
    Host W8.0 x64 Guest W10 x86

    The company he works for apparently thought it was broken permanently, and they never fixed it. All that was wrong with it was the XP installation was corrupt.
    That reminds me, when I was a mechanic there was a pile of junk in the garage. On a slow day I looked through the pile. At the bottom was a pnumatic chisel. I plugged it into the compressed air line. It immediately went off. Jazzing the trigger did nothing. It just kept going. Seems that was why it was chucked in the pile. When the Snap-On guy came in later that week I gave him a few dollars for the trigger spring. It worked fine after the spring was inserted.
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  6.    25 Mar 2014 #26

    Quote Originally Posted by MilesAhead, post: 20840, member: 195
    That reminds me, when I was a mechanic there was a pile of junk in the garage. On a slow day I looked through the pile. At the bottom was a pnumatic chisel. I plugged it into the compressed air line. It immediately went off. Jazzing the trigger did nothing. It just kept going. Seems that was why it was chucked in the pile. When the Snap-On guy came in later that week I gave him a few dollars for the trigger spring. It worked fine after the spring was inserted.
    xD!!!
    I freaking love it when stuff like that happens!
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  7.    26 Mar 2014 #27

    A bit of interesting news!
    My concept picture was featured in two online articles today!

    http://www.deccanchronicle.com/14032...back-after-all

    http://news.softpedia.com/news/Windo...r-434106.shtml
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  8.    26 Mar 2014 #28
    Join Date : Nov 2013
    Land of 10,000 lakes
    Posts : 10,382
    W10 Pro, W10 Home

    Quote Originally Posted by Tommy, post: 20955, member: 285
    A bit of interesting news!
    My concept picture was featured in two online articles today!

    http://www.deccanchronicle.com/14032...back-after-all

    http://news.softpedia.com/news/Windo...r-434106.shtml
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  9.    26 Mar 2014 #29
    Join Date : Oct 2013
    Bay Area
    Posts : 18,301
    Windows 7 Home Premium x64

    Congrats

    A Guy
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  10.    27 Mar 2014 #30
    Join Date : Mar 2014
    South Carolina, USA
    Posts : 16,942
    Windows 10 Pro 64-bit

    Hey guys, if you want your start menu "back" you can give Pokki a try! https://www.pokki.com/windows-8-start-menu
    [ATTACH=full]891[/ATTACH]
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