www-03.ibm.com: Ibm System Z - Operating Systems
IBM System z servers are supported by a multitude of operating systems, such as z/OS, z/OS.e, z/VSE, TPF, Linux on System z and the z/VM hypervisor. Visit the links ...
oberoi-net.com: Mainframe Programming - Useful Links For Practitioners
Helpful links for Programmers and Designers of Mainframe Systems - COBOL, Assembler, Java, CICS, DB2, WebSphere, MQSeries, OS/390, System/390, ..
Mainframe programming information, including a large dictionary and links to downloads and manuals.
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