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History of IBM mainframe operating systems
Early mainframe computer OSes
GM OS & GM-NAA I/O (1955)
BESYS (1957)
UMES (1958)
SOS (1959)
IBSYS (1960)
MIT CTSS (1961)
7040/7044 Operating System (16/32K) (7040-PR-150)
1410/7010 Operating System (1410-PR-155)
Miscellaneous S/360 line OSes
BOS/360 (1965)
TOS/360 (1965)
TSS/360 (1967)
MTS (1967)
ORVYL (1967)
RACS (1965)
RAX (1966)
MUSIC (1972)
MUSIC/SP (1985)
DOS/360 and successors (1966)
DOS/360 (1965)
DOS/VS (1972)
DOS/VSE (1979)
VSE/AF (1979)
VSE/SP (1983, 1985)
VSE/ESA (1991)
z/VSE (2005)
VSEn (2021)
OS/360 and successors (1966)
MFT (1966)
MFT II (1968)
OS/VS1 (1972)
OS/VS1 BPE
MVT (1967)
65MP
OS/VS2R1 (SVS) (1972)
MVS (OS/VS2R2 and later) (1974)
MVS/SE (1978)
MVS/SE 2 (1979)
MVS/SP Version 1 (1980)
MVS/XA (1983)
MVS/ESA (1988)
OS/390 (1995)
z/OS (2000)
VM line
CP-40/CMS (1967)
CP-67/CMS (1967)
VP/CSS (1968)
VM/370 (1972)
VM/BSE (BSEPP)
VM/SE (SEPP)
VM/SP (1980)
VM/XA MA (1984)
VM/XA SF (1985)
VM/XA SP (1988)
VM/ESA (1990)
z/VM (2000)
TPF line
ACP (1967)
TPF (1979)
z/TPF (2005)
UNIX and Unix-like
UTS (1981)
AIX/370 (1990)
AIX/ESA (1991)
MVS/ESA OpenEdition (1993)
VM/ESA OpenEdition (1995)
OS/390 UNIX System Services (1996)
Linux (1999)
z/VM OpenExtensions (2000)
z/OS UNIX System Services (2001)
OpenSolaris (2008)
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Linux on IBM Z or Linux on zSystems is the collective term for the Linux operating system compiled to run on IBM mainframes, especially IBM Z / IBM zSystems and IBM LinuxONE servers. Similar terms which imply the same meaning are Linux/390, Linux/390x, etc. The three Linux distributions certified for usage on the IBM Z hardware platform are Red Hat Enterprise Linux, SUSE Linux Enterprise Server, and Ubuntu.
LinuxonIBMZ or LinuxonzSystems is the collective term for the Linux operating system compiled to run onIBM mainframes, especially IBMZ / IBMzSystems...
designed with a mostly common code base for L-U-W (Linux-Unix-Windows); DB2 for System z and DB2 for IBM i are different. As a result, they use different...
Microsoft Windows. IBM offers an emulator called zPDT (System z Personal Development Tool) which runs onLinuxon x86-64 machines. List of IBM products Amdahl...
industry-dominant IBM System/360 and IBM System/370 mainframe systems, and then through IBM Power Systems (AIX), IBMZ (z/OS and z/VSE), and x86 (Linux). At the...
Facility for Linux (IFL) is an IBM mainframe and Power Systems processor dedicated to running the Linux operating system. OnIBMZ and IBMLinuxONE machines...
customers run several thousand users on even single prior models. For multiprogramming OSes like LinuxonIBMZ and z/OS that make heavy use of native supervisor...
IBM MQ. The products that are included in the MQ family are IBM MQ, IBM MQ Advanced, IBM MQ Appliance, IBM MQ for z/OS, and IBM MQ onIBM Cloud. IBM MQ...
server versions for x86-64, Power ISA, ARM64, and IBMZ and a desktop version for x86-64. Fedora Linux and CentOS Stream serve as its upstream sources....
renamed to SUSE Studio Express in September 2017. LinuxonIBMZ List of Linux distributions Comparison of Linux distributions SUSE Studio Novell UnixWare Novell...
some are unavailable on certain silicon processors and devices. iBoot Cydia MkLinuxLinux range of use OtherOS LinuxonIBMZ Cunningham, Andrew (2022-06-02)...
developed from a common code base with other SUSE Linux Enterprise products. IBM's Watson was built onIBM's POWER7 systems using SLES. Hewlett Packard Enterprise's...
resurgence of popularity and support from 2000 as the z/VM product, for example as the platform for LinuxonIBMZ. As mentioned above, the VM control program includes...
processing, and the IFL, which runs Linux and z/VM but not other IBM operating systems such as z/OS, DOS/VSE and TPF. A System z PU (processor unit) is "characterized"...
through the IBMZ. The first of these, the Basic Assembly Language (BAL), is an extremely restricted assembly language, introduced in 1964 and used on 360 systems...
Linux (/ˈlɪnʊks/ LIN-uuks) is a family of open-source Unix-like operating systems based on the Linux kernel, an operating system kernel first released...
Controller for Linux (Communications Controller for Linuxon System z or CCL) is an IBM software product announced in 2005 that runs under LinuxonIBMZ and emulates...
IBM Secure Service Container is the trusted execution environment available for IBMZ and IBMLinuxONE servers. In 2016 IBM introduced the z Appliance...
Facility (TPF) is an IBM real-time operating system for mainframe computers descended from the IBM System/360 family, including zSeries and System z9....
portal Linux portal Comparison of Linux distributions Comparison of netbook-oriented Linux distributions DistroWatch Linuxon PowerPC LinuxonIBMZ List...
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