Topics: Mainframe : IBM
IBM mainframe computers are servers based on the processor instruction set of the System/360 introduced in the mid-1960s, much as today's Intel computers and processors are based on the 8086 used in the original 1981 IBM PC. This category covers the operating systems (OSs) and software products that run on IBM mainframes. Any sites also including mainframe hardware-related information belong in a subcategory of Computers/Hardware/Systems/IBM.
Freeware
Free IBM mainframe-related software that is available for direct download from the Web site or is delivered to you after you contact the owner.
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Software
Sites offering software that runs on IBM mainframe computers, from financial applications to system utilities.
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z-OS
z/OS is the latest in a long history of names for the high-end IBM mainframe operating system that began as OS/360 in the mid-1960s on the System/360.
ISPF,
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z-VM
z/VM is the new name for IBM's VM/ESA mainframe operating system. ESA (Extended Storage Addressing) is a feature added to S/390 operating systems (MVS, VSE, VM) to allow addressing beyond the 16MB limit.
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z-VSE
z/VSE is one of IBM's mainframe operating systems. It originated as DOS/360 on the low-end System/360 computers of the mid-1960s.
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