• 3270 BBS

    From deon@21:2/116 to All on Tue Aug 19 14:43:32 2025
    Howdy,

    Recently I've developed an interest in mainframe's and I've been playing with VM/370 and MVS.

    One of the names out their for mainframe tips/tricks is moshix (on youtube), and he's just written a 3270 BBS.

    I have it running on my server, so if you are curious, come by and check it out.

    Its not running under VM/370 or MVS - its actually a go binary, so its running on linux - but it would be cooler if it run under a mainframe os.

    3270.bbs.dege.au port 3270

    You'll need a 3270 emulator - ZOC works well - otherwise c3270 on linux, and I'm sure there is a 3270 emulator for windows if that is your platform of choice.


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  • From Dumas Walker@21:1/175 to DEON on Tue Aug 19 09:56:52 2025
    Recently I've developed an interest in mainframe's and I've been playing with VM/370 and MVS.

    One of the names out their for mainframe tips/tricks is moshix (on youtube), and he's just written a 3270 BBS.

    As a mainframe developer (retired), this is of interest. I was thinking of trying to write a "skin" for synchronet (like the PC Board and Renegade
    ones) that would look like a mainframe system but have never got around to
    it.

    I have it running on my server, so if you are curious, come by and check it out.

    Its not running under VM/370 or MVS - its actually a go binary, so its running
    on linux - but it would be cooler if it run under a mainframe os.

    3270.bbs.dege.au port 3270

    I will need to check this out!


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  • From slacker@21:3/193 to deon on Tue Aug 19 15:07:24 2025
    I just checked it out. Really cool!! Such a different exp than other BBS I've been to.

    Side note, I had to log out twice to disconnect. I logged out at the menu and then that dropped me to a READY prompt where I disconnected again. Is that how it's suppose to be?


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  • From poindexter FORTRAN@21:4/122 to Dumas Walker on Tue Aug 19 10:16:47 2025
    Re: 3270 BBS
    By: Dumas Walker to DEON on Tue Aug 19 2025 09:56 am

    As a mainframe developer (retired), this is of interest. I was thinking of trying to write a "skin" for synchronet (like the PC Board and Renegade ones that would look like a mainframe system but have never got around to it.

    I have a bunch of OS/400 terminal screen shots, been wanting to do the same thing. I was hoping the Synchronet Light Bar menu would be a good basis for that.
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  • From Dumas Walker@21:1/175 to POINDEXTER FORTRAN on Tue Aug 19 19:43:37 2025
    As a mainframe developer (retired), this is of interest. I was thinking of trying to write a "skin" for synchronet (like the PC Board and Renegade ones
    that would look like a mainframe system but have never got around to it.

    I have a bunch of OS/400 terminal screen shots, been wanting to do the same thing. I was hoping the Synchronet Light Bar menu would be a good basis for that.

    Before I became a mainframe developer, I was an AS/400 user. I don't
    remember too much about what the screens looked like but looking at a few screenshots online do ring some bells. ;)


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  • From deon@21:2/116 to Dumas Walker on Wed Aug 20 14:11:19 2025
    Re: 3270 BBS
    By: Dumas Walker to DEON on Tue Aug 19 2025 09:56 am

    Howdy,

    As a mainframe developer (retired), this is of interest. I was thinking of trying to write a "skin" for synchronet (like the PC Board and Renegade ones) that would look like a mainframe system but have never got around to it.

    That would be cool - it'd be even great if behaved like a 3270 session (using a ANSI terminal emulator).

    Would also be cool to use a 3270 emaulator - havent really looked at the protocol so not sure what's involved to get sync to use it.


    ...лоеп
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  • From deon@21:2/116 to slacker on Wed Aug 20 14:14:21 2025
    Re: Re: 3270 BBS
    By: slacker to deon on Tue Aug 19 2025 03:07 pm

    Howdy,

    I just checked it out. Really cool!! Such a different exp than other BBS I've been to.

    Side note, I had to log out twice to disconnect. I logged out at the menu and then that dropped me to a READY prompt where I disconnected again. Is that how it's suppose to be?

    Yup, the experience moshix is going for is MVS/ZOS experience - not sure if you have ever used mainframes?

    Under MVS/ZOS, when you log in, you normally end up in "ISPF" (and if you typed ISPF it would have taken you back into the menu).

    When you have finished your session you normally get out of ISPF and then as a second step, you "logoff".


    ...лоеп
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  • From slacker@21:3/193 to deon on Wed Aug 20 05:09:21 2025
    Yup, the experience moshix is
    going for is MVS/ZOS experience -
    not sure if you have ever used
    mainframes?

    Oh cool! Nope, I'm pretty green when it comes to connecting to an actual mainframe so this is all new to me. Really fun to try out, I'll have to log back in later and poke around a bit more. :) Glad to hear my double log out is expected behavior.


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  • From Dumas Walker@21:1/175 to SLACKER on Wed Aug 20 09:09:17 2025
    I just checked it out. Really cool!! Such a different exp than other BBS I've been to.

    Side note, I had to log out twice to disconnect. I logged out at the menu and then that dropped me to a READY prompt where I disconnected again. Is that how
    it's suppose to be?

    On a "real" mainframe, that is how it works. When you type 'x'<enter>, you
    are logging out of the user interface. That takes you out to the TSO "command line" where you type in "logoff"<enter> and the connection drops.

    Getting into SDSF and seeing user sessions "running" was pretty neat for an
    old mainframe user. Probably wouldn't mean anything to someone who'd never seen such a thing. ;)


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  • From tenser@21:1/101 to Dumas Walker on Thu Aug 21 10:14:20 2025
    On 20 Aug 2025 at 09:09a, Dumas Walker pondered and said...
    On a "real" mainframe, that is how it works. When you type 'x'<enter>, you are logging out of the user interface. That takes you out to the
    TSO "command line" where you type in "logoff"<enter> and the connection drops.

    Ah...TSO. I can't remember if it was TSO or TSS that was the
    inspiration for the old quip about kicking a dead whale down the
    beach.

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  • From deon@21:2/116 to Dumas Walker on Thu Aug 21 09:45:36 2025
    Re: Re: 3270 BBS
    By: Dumas Walker to SLACKER on Wed Aug 20 2025 09:09 am

    Howdy,

    Getting into SDSF and seeing user sessions "running" was pretty neat for an old mainframe user. Probably wouldn't mean anything to someone who'd never seen such a thing. ;)

    Did you see the MVS console M -> O?

    You can issue some mvs console commands :)


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  • From Dumas Walker@21:1/175 to DEON on Wed Aug 20 19:38:05 2025
    Did you see the MVS console M -> O?

    You can issue some mvs console commands :)

    No, I will have to check that out.


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  • From Dumas Walker@21:1/175 to TENSER on Thu Aug 21 09:21:10 2025
    On a "real" mainframe, that is how it works. When you type 'x'<enter>, you are logging out of the user interface. That takes you out to the TSO "command line" where you type in "logoff"<enter> and the connection drops.

    Ah...TSO. I can't remember if it was TSO or TSS that was the
    inspiration for the old quip about kicking a dead whale down the
    beach.

    Since I have never heard that old quip, I am guessing it must have been
    about TSS. ;)


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  • From tenser@21:1/101 to Dumas Walker on Fri Aug 22 06:43:07 2025
    On 21 Aug 2025 at 09:21a, Dumas Walker pondered and said...

    On a "real" mainframe, that is how it works. When you type 'x'<ent you are logging out of the user interface. That takes you out to t TSO "command line" where you type in "logoff"<enter> and the connec drops.

    Ah...TSO. I can't remember if it was TSO or TSS that was the inspiration for the old quip about kicking a dead whale down the
    beach.

    Since I have never heard that old quip, I am guessing it must have been about TSS. ;)

    Ah, apparently it _was_ about TSO. Paul McLellan wrote about it
    over on the cadence blog:

    https://community.cadence.com/cadence_blogs_8/b/breakfast-bytes/posts/kernighan

    (In the section, "Meeting Brian"; I guess Brian Kernighan [co-author
    of, "The C Programming Language", along with Dennis Ritchie, who created
    the C language, and long-time Bell Labs researcher who's now at Princeton
    and Google] either coined it or relayed it.)

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