UTS is a discontinued implementation of the

UNIX Unix (; trademarked as UNIX) is a family of multitasking, multiuser computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, a ...

operating system An operating system (OS) is system software that manages computer hardware, software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ef ...

for

IBM mainframe IBM mainframes are large computer systems produced by IBM since 1952. During the 1960s and 1970s, IBM dominated the large computer market. Current mainframe computers in IBM's line of business computers are developments of the basic design of t ...

(and compatible) computers.

Amdahl Amdahl may refer to: People * Einar Amdahl (1888-1974), Norwegian theologist * Bjarne Amdahl (1903-1968), Norwegian pianist and composer * Douglas K. Amdahl Douglas K. Amdahl (January 23, 1919 – August 24, 2010) was an American lawyer and j ...

created the first versions of UTS, and released it in May 1981, with UTS Global acquiring rights to the product in 2002. UTS Global has since gone out of business.

System requirements

UTS Release 4.5 supports the following S/390 model processors and their successors: * Amdahl 5990, 5995A, 5995M series of ECL processors * Amdahl Millennium Global Server series of CMOS processors * Fujitsu Global Server * IBM ES/9000/9021 series of ECL processors * IBM G4, G5 & G6 Servers (the 9672 R and X series of CMOS processors)

History

The UTS project had its origins in work started at

Princeton University Princeton University is a private research university in Princeton, New Jersey. Founded in 1746 in Elizabeth as the College of New Jersey, Princeton is the fourth-oldest institution of higher education in the United States and one of the n ...

in 1975 to port UNIX to the IBM VM/370 system. Team members there were Tom Lyon, Joseph Skudlarek, Peter Eichenberger, and

Eric Schmidt Eric Emerson Schmidt (born April 27, 1955) is an American businessman and software engineer known for being the CEO of Google from 2001 to 2011, executive chairman of Google from 2011 to 2015, executive chairman of Alphabet Inc. from 2015 to 2 ...

. Tom Lyon joined Amdahl in 1978, and by 1979 there was a full

Version 6 Unix Sixth Edition Unix, also called Version 6 Unix or just V6, was the first version of the Unix operating system to see wide release outside Bell Labs. It was released in May 1975 and, like its direct predecessor, targeted the DEC PDP-11 family of m ...

system on the Amdahl 470 being used internally for design automation engineering. In late 1979 this was updated to the more commonly ported Version 7. In 1980 Amdahl announced support for Unix on the System 470. Five years later, IBM announced its own mainframe Unix, IX/370, as a competitive response to Amdahl. The commercial versions of UTS were based on UNIX System III and

UNIX System V Unix System V (pronounced: "System Five") is one of the first commercial versions of the Unix operating system. It was originally developed by AT&T and first released in 1983. Four major versions of System V were released, numbered 1, 2, 3, an ...

. In 1986, Amdahl announced the first version to run natively on IBM/370-compatible hardware, UTS/580 for its Amdahl 580 series of machines; previous Unix ports always ran as "guests" under the IBM VM

hypervisor A hypervisor (also known as a virtual machine monitor, VMM, or virtualizer) is a type of computer software, firmware or hardware that creates and runs virtual machines. A computer on which a hypervisor runs one or more virtual machines is called ...

. Version 4.5 was based on Unix System V, Release 4 (SVR4).

References

External links

UTS Global home page (archived page at Archive.org, April 2008)
Unix variants 1981 software {{unix-stub

System requirements

History

See also

References

External links