Introductory learning materials
Start here: Here’s What Happens When an 18 Year Old Buys a Mainframe. Great video.
z/OS introductory video course
Master the Mainframe
The ABCs of System Programming redbooks
IBM z/OS Basic Skills page in Knowledge Center.
Introduction to the new mainframe
Introduction to CICS
Mq on z/os concepts
IBM Z Youtube
Introduction to CICS from IBM
Introduction to the (new) mainframe)
Books (search for 2nd hand versions)
IBM System z Tech
Love mainframe site
Free training offers
IBM z/OS Introduction and Workshop for the IT Professional – 5 Day Edition (Next Offering: November 11th to 15th – USA CDT)
Free training at HPI
Many tutorials on Mainframetechhelp
Tutorialspoint on mainframe
Free COBOL course from CSIS
z/OS Introduction and Workshop
Mainframe playground on COBOL
Access to real mainframe
Unfortunately there is no Community open source mainframe yet. How cool would that be – a z/OS system on real Z hardware not owned by our boss.
There is the emulator solution zD&T on which you can run z/OS legitimately. If you can afford it and like tinkering with an Intel machine an dLinux.
IBM Z trials – only 3 days
Only available for 3 days
Master the mainframe – free
Remote development programme on Dallas System z
When you have a software development company, or if you are rich.
Will start at something like $550 USD per month.