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2. Hercules (emulator) - Wikipedia

   en.wikipedia.org/wiki/Hercules_(emulator)

   Hercules is a computer emulator allowing software written for IBM mainframe computers (System/370, System/390, and zSeries/System z) and for plug compatible mainframes (such as Amdahl machines) to run on other types of computer hardware, notably on low-cost personal computers. Development started in 1999 by Roger Bowler, a mainframe systems ...

3. Connect:Direct - Wikipedia

   en.wikipedia.org/wiki/Connect:Direct

   Connect:Direct file transfers can be done in two formats: Binary mode (where no translation occurs) or in a mode where translation is used to convert an ASCII file to EBCDIC as it is moved to a mainframe or vice versa. These conversions are handled automatically based on the local systems, which is a significant concern with other file transfer ...

4. MVS - Wikipedia

   en.wikipedia.org/wiki/MVS

   When IBM introduced its 64-bit z/Architecture mainframes in the year 2000, IBM also introduced the 64-bit z/OS operating system, the direct successor to OS/390 and MVS. Fujitsu and Hitachi opted not to license IBM's z/Architecture for their quasi-MVS operating systems and hardware systems, and so MSP and VOS3, while still nominally supported by ...

5. PC-based IBM mainframe-compatible systems - Wikipedia

   en.wikipedia.org/wiki/PC-based_IBM_mainframe...

   Since the rise of the personal computer in the 1980s, IBM and other vendors have created PC-based IBM mainframe-compatible systems which are compatible with the larger IBM mainframe computers. For a period of time PC-based mainframe-compatible systems had a lower price and did not require as much electricity or floor space.

6. IBM mainframe - Wikipedia

   en.wikipedia.org/wiki/IBM_mainframe

   The primary operating systems in use on current IBM mainframes include z/OS (which followed MVS/ESA and OS/390 in the OS/360 lineage), z/VM (which followed VM/ESA and VM/XA SP in the CP-40 lineage), z/VSE (which is in the DOS/360 lineage), z/TPF (a successor of Transaction Processing Facility in the Airlines Control Program lineage), and Linux ...

7. Data Facility Storage Management Subsystem (MVS) - Wikipedia

   en.wikipedia.org/wiki/Data_Facility_Storage...

   All releases of OS/VS2 were available to no charge because the software cost was bundled with the hardware cost. OS/VS2 Release 3.8 was the last free release of MVS. In the late seventies and early eighties IBM announced: 5740-XE1 MVS/System Extensions (MVS/SE) MVS/SE improves the performance and RAS of OS/VS2 (MVS)