Ray Mullins

z390 Portable Mainframe Assembler and Emulator


Project Admins:


Please let us know if there are any issues with the download files!


For product support, join the Yahoo! group for z390 or zCOBOL and search its archives. If you cannot find what you need, send an email to the appropriate group.

You can also open a Problems or Enhancements ticket, or email Ray Mullins or Abe Kornelis using the above links.

If you are installing on a UNIX®-based operating system (including Linux™ and Mac OS X®), here are some [UNIX tips].

Screenshots (coming soon)


Wiki: UNIX tips