Send questions or suggestions to David Alcock. Frequently Asked questions about PLANET MVS Planet MVS is "Flower box"-ware

If you are new to the IBM mainframe and z/OS, I highly recommend checking out the CBT Tape web site.

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·  Rexx Anywhere!
·  SPF Editor
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·  Dave's terms
·  Hex page
·  Hopelessly Outdated pages

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MVS land
Planet MVS Go MVS or go home!
Planet MVS E Pluribus MVS!
Planet MVS MVS über alles!
Planet MVS c'est la MVS!
Planet MVS Ich bin ein MVS SYSPROG!
Planet MVS All your MVS are belong to us!
Planet MVS You had me at MVS
Planet MVS I, for one, welcome our MVS overlords!
Planet MVS MVS is too big to fail!
Planet MVS What... is your quest?
To Seek the Holy Grail
What... is the paging velocity of an unladen MVS system?
What do you mean? MVS/XA or MVS/ESA?
Huh? I...don't know that! Auuuuuuuugh.
How do know so much about auxiliary storage?
Well, you have to know these things when you're a MVS SYSPROG
Planet MVS That's no ordinary MVS system!
Planet MVS We Mainframers will not go quietly into the night, IBM will bring forth the new MVS OS/390 z/OS, for General Availability day will be our Independence Day!


Happy New Year!

  • Corrected the IPCS web page which I somehow overlaid with the MVSintosh page during my 2018-11-11 update. Thanks to Jim Ruddy who sent me an email about it.

  • Thanks to the post in a thread on Reddit /r/mainframe, I saw this Walmart contributed github page: z/OS-based File Access Manager.

  • 2018-11-11

    eheu fugaces labuntur anni - I've made a few tweaks here and there since 2013 but nothing big.

    • The default font size was increased from 11px to 16px to make Planet MVS a bit easier to read. We are all getting older! These are only for those web pages using CSS as ideally they should be. This website was started in the dark ages before CSS.

    • Updated the MVSintosh page.

    • I used Favic-O-Matic to create new favicons for Planet MVS. This is a recent picture of my old CRT iMac running a 3270 emulation program:



    • The MVSintosh page was updated:
      • Existing FTP section includes a link to Filezilla (actually also for Linux and Windows)
      • New Terminal (Mac Shell) section
      • New iPad Section - even though it's a Mac page
    • Updated the IPCS FAQ page with a new question on how to run IPCS in batch. Also updated my IPCS WishList page. I ought to see if my company can submit some of these to IBM via SHARE.
    • Removed the version number for Spflite off the SPF Editor page to cut down on the emails about the new version.
    • Removed the outdated links to TN3270 products on the TN3270 page. You'll have to Google that.

    ISPF Tips:
  • HX - ISPF editor line command displays hex in a vertical format
    EDIT       IBMUSER.DAVE.TXT(XYZ) - 01.99                           Columns 00001 00080
    Command ===>                                                          Scroll ===> HALF
    ****** ********************************* Top of Data **********************************
    000001 Everything you wanted to know about Hex but were afraid to ask                  
    Here is an IBM page with more information.

  • HIDE X - ISPF editor primary command. Slick, very slick.

  • SWAPBAR - ISPF primary command. As someone that uses a lot of screens (to the point of getting the dreaded "no more screens" error daily), cudos to IBM for the SWAPBAR command. I need to customize ISPF for more than 8 screens!. I wish the SWAPBAR was in screen number order all the time. On some 3270 emulators, you have to tell them to allow you to click on the SWAPBAR label to jump to that screen.

  • 2010-01-17

    Saw this Top 10 programming fonts. His number one font works great with 3270 terminal emulators.

    2009-06-18 - 2009-06-21

    Finally making my first 2009 updates:

    • My ISP lost my emails so if you sent anything to me this year before 2009-04-22 I can't view them. If you sent me anything after that date I have it.
    • Add new IPCS pages - This will NOT teach you how to shoot dumps. They will only help you if you already know how to use IPCS.
    • Updated Flowerbox page with a contribution that was sent to me via email.
    • Added the Bob Rodgers quote to this page which came from a Cole Software email
    • Changed SPF Editor Page for:

    Older entries can be found on the What's new page.

    Ask your doctor if Planet MVS is right for you.

    Planet MVS The Planet MVS web site and the software downloadable from this site are © Copyright 1997-2015+ by David Alcock.
    Planet MVS HLASM, MVS, OS/390, z/OS, etc are registered trademarks of IBM.

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