(ibm's version of unix operating system)
81Conversational Monitor System — Main articles: VM (operating system), CP/CMS, and History of CP/CMS The Conversational Monitor System (CMS; originally: Cambridge Monitor System ) is a relatively simple interactive computing single user operating system. CMS is part of IBM s VM… …
82PWB/UNIX — (for Programmer s Workbench) was an early version of the Unix operating system.Prior to 1976 Unix development at AT T was done by a small group of researchers in the Bell Labs Computer Science Research Group (Department 1127). But as word of the… …
83List of operating systems — Operating systems can be categorized by technology, ownership, licensing, working state, usage, and by many other characteristics. In practice, many of these groupings may overlap.Early, and historically important*CTSS (The Compatible Timeshare… …
84Timeline of operating systems — This article presents a timeline of events in the history of computer operating systems from 1951 to the current day. For a narrative explaining the overall developments, see the History of operating systems. Contents 1 1950s 2 1960s 3 1970s …
85Comparison of operating systems — Usage share of web client operating systems. (Source: Median values from Usage share of operating systems for August 2011.)   Windows XP (35.21%) …
86File system — For library and office filing systems, see Library classification. Further information: Filing cabinet A file system (or filesystem) is a means to organize data expected to be retained after a program terminates by providing procedures to store,… …
87Michigan Terminal System — (MTS) The MTS welcome screen as seen through a 3270 terminal emulator. Company / developer University of Michigan and 7 other universities in the US, Canada, and the UK …
88X Window System — X11 redirects here. For other uses, see X11 (disambiguation). A historical example of graphical user interface and applications common to the MIT X Consortium s distribution running under the twm window manager: X Terminal, Xbiff, xload and a… …
89SAS System — Infobox Software name = SAS caption = SAS 9 on Microsoft Windows developer = SAS Institute latest release version = 9.2 latest release date = March, 2008 operating system = Windows, IBM mainframe, Unix/Linux, OpenVMS Alpha genre = numerical… …
90History of IBM mainframe operating systems — The history of operating systems running on IBM mainframes is a notable chapter of history of mainframe operating systems, because of IBM s long standing position as the world s largest hardware supplier of mainframe computers.Arguably the… …
