Editing Michigan Terminal System (section)

{{Short description|Mainframe operating system}}
{{Infobox OS
| name                   = Michigan Terminal System (MTS)
| logo                   =
| screenshot             = [[File:MTS signon screenshot.png|220px]]
| caption                = The MTS welcome screen as seen through a [[IBM 3270|3270]] [[terminal emulator]].
| developer              = [[University of Michigan]] and [[#MTS Consortium|7 other universities]] in the US, Canada, and the UK
| family                 =
| working_state          = Historic
| source_model           =
| released               = {{Start date and age|1967}}
| latest_release_version = 6.0 (final)
| latest_release_date    = {{Start date and age|1988}}
| latest_test_version    =
| latest_test_date       =
| marketing_target       =
| programmed_in          = various languages, mostly 360/370 [[Assembly language]]
| prog_language          = Assembly, FORTRAN, PL/I, PLUS, ALGOL W, Pascal, C, LISP, SNOBOL4, COBOL, PL360, MAD/I, GOM (Good Old Mad), APL, and [[#Programming languages available under MTS|many more]]
| language               = [[English language|English]]
| updatemodel            =
| package_manager        =
| supported_platforms    = [[IBM System/360|IBM S/360-67, IBM S/370 and successors]]
| kernel_type            =
| ui                     = [[Command-line interface]]
| license                = Free ([https://creativecommons.org/licenses/by/3.0/ CC BY 3.0])
| preceded by            = [[University of Michigan Executive System]]
| succeeded by           = 
| website                = [https://archive.org/details/michigan-terminal-system-distribution-documentation-and-files archive.org]
}}
{{History of IBM mainframe operating systems|misc}}
The '''Michigan Terminal System''' ('''MTS''') is one of the first [[time-sharing]] computer [[operating system]]s.<ref name= Galler-LifeAndWork-IEEE>{{Citation |quote= In late 1968, MTS was the only large-scale timesharing system to be in regular, reliable operation in the US |url= http://muse.jhu.edu/journals/ieee_annals_of_the_history_of_computing/v030/30.1akera.pdf |title= The Life and Work of Bernard A. Galler (1928–2006) |first= Atsushi |last= Akera |journal= Annals of the History of Computing |volume= 30 |number= 1 |date= Jan–Mar 2008 |page= 8 |doi=10.1109/mahc.2008.15|s2cid= 22790110 }}.</ref> Created in 1967 at the [[University of Michigan]] for use on [[IBM System/360|IBM S/360]]-67, S/370 and compatible [[mainframe computer]]s, it was developed and used by a consortium of eight universities in the [[United States]], [[Canada]], and the [[United Kingdom]] over a period of 33 years (1967 to 1999).<ref name= MTSVol1>{{Citation |url= https://deepblue.lib.umich.edu/bitstream/handle/2027.42/79598/MTSVol01-TheMichiganTerminalSystem-Nov1991.pdf?sequence=1&isAllowed=y |title=The Michigan Terminal System |volume=1 |date=November 1991 |publisher=University of Michigan, Information Technology Division, Consulting and Support Services |pages= 9, 13–14 |place= Ann Arbor, Michigan}}.</ref>