Latest Posts

  • Customizing viewable columns in SDSF panels

    Did you know you can edit which fields are displayed in SDSF, their width, and the order they’re displayed in by default? To make these changes, you first need two pieces of information: the display group you’re part of and the member name that SDSF is reading its parameters from. To Find your group In…

  • I Cooked a SYSRES!

    But before we all start panicking, let me preface this by saying it was on my employers z/D&T (Development and Test) environment – not a client system. No mainframes were hurt (much) in the making of this blog post. So what happened? TLDR: It turns out the SYS1.NUCLEUS dataset can’t have extents allocated, it must…

  • Adding Users to RACF

    RACF users can be made with the ADDUSER command. Because creating a user is a multiple step process with a lot of different RACF commands involved, creating a user via batch is common. RACF commands can be run in batch with the IKJEFT01 program, which allows you to execute TSO commands in batch. There are…