Multiple Virtual Storage

Multiple Virtual Storage or MVS is a long running mainframe operating system from IBM, it is also sometimes used as a "catch-all" term for all IBM VM operating systems released prior to z/OS.

User Interfaces:

• Job Control Language (JCL)
• Time Sharing Option (TSO)

Applications:

• CICS
• IMS
• DB2

See also: z/OS & MVS Tools

OS/VS2

Operating System/Virtual Storage 2 (OS/VS2) is an operating system, upward compatible from MFT, MVT and OS/VS1. Each job or timesharing user is provided with individual 16 MB virtual address space that include the space required for system code and tables. OS/VS2 supports the System/370 Models 145, 148, 155II, 158, 165II, 168 and the 3031, 3032, and 3033 Processors.

• OS/VS2 (MVS) 3.8G
• OS/VS2 (MVS) 3.8j

MVS/SP

Multiple Virtual Storage/System Product

• MVS/SP Version 1 Release 3.0 (MVS/SP 1.3.0)
• MVS/SP Version 1 Release 3.1
• MVS/SP Version 1 Release 3.2
• MVS/SP Version 1 Release 3.3
• MVS/SP Version 1 Release 3.4 (MVS/SP 1.3.4)
• MVS/SP Version 1 Release 3.5 (MVS/SP 1.3.5)
• MVS/SP Version 2 Release 1.0 (MVS/SP 2.1.0)
• MVS/SP Version 2 Release 1.1 (MVS/SP 2.1.1)
• Apr 1984: MVS/SP Version 2 Release 1.2 (MVS/SP 2.1.2)
• MVS/SP Version 2 Release 1.3 (MVS/SP 2.1.3)
• Jul 1988: MVS/SP Version 3 Release 1.0 (MVS/SP 3.1.0) - ESA/370 support
• Dec 1989: MVS/SP Version 3 Release 1.3 (MVS/SP 3.1.3)

MVS/XA

Multiple Virtual Storage/Extended Architecture supports IBM System/370 XA (1981).

MVS/ESA

MVS Enterprise System Architecture (1985)