Time Sharing Operating System
- Time Sharing Operating System
TSOS stands for Time Sharing Operating System; it was an operating system for RCA (Radio Corporation of America) mainframes of the RCA Spectra 70 series.
RCA was in the computer business until 1971. Then it was sold to Sperry Corporation; Sperry offered TSOS renaming it to VS/9. In the mid seventies, an enhanced version of TSOS was offered by the German company Siemens and was called BS2000 here.
While Sperry (respectively Univac after the company was renamed) discontinued VS/9 in the early 80's, BS2000, now called BS2000/OSD is still offered by Fujitsu Siemens Computers and used on their mainframe customers primarily in Europe.
TSOS was the first operating system that supported virtual addressing of the main storage. Beyond that it provided a unique user interface for both, time sharing and batch which was a big advantage over IBM's OS/360 or their successors MVS, OS/390 and z/OS as it simplified the operation.
ee also
*Timeline of operating systems
Wikimedia Foundation.
2010.
Look at other dictionaries:
Operating system — Operating systems … Wikipedia
Time-sharing system evolution — The following tables provide links to major early time sharing operating systems, showing their subsequent evolution. * To avoid listing every multi user system ever built (including virtually every system in use today), the goal here is to list … Wikipedia
Time-sharing — refers to sharing a computing resource among many users by multitasking. Because early mainframes and minicomputers were extremely expensive, it was rarely possible to allow a single user exclusive access to the machine for interactive use. But… … Wikipedia
Pick operating system — Company / developer Don Nelson, Dick Pick, TRW Programmed in Assembly language Initial release 1965 (GIRLS), 1973 (Reality Operating System) Marketing target Business data processing Available … Wikipedia
operating system — Computers. the collection of software that directs a computer s operations, controlling and scheduling the execution of other programs, and managing storage, input/output, and communication resources. Abbr.: OS [1960 65] * * * ▪ computing… … Universalium
Time Sharing Option — In computing, the Time Sharing Option (TSO) is an interactive time sharing environment for the lineage of IBM mainframe operating systems running from OS/MVT through MVS and OS/390 to the current z/OS. It fills the same purpose as the login… … Wikipedia
Operating System — Ein Betriebssystem ist die Software, die die Verwendung (den Betrieb) eines Computers ermöglicht. Es verwaltet Betriebsmittel wie Speicher, Ein und Ausgabegeräte und steuert die Ausführung von Programmen. Betriebssystem heißt auf Englisch… … Deutsch Wikipedia
operating system (OS) — Software that controls the operation of a computer, directs the input and output of data, keeps track of files, and controls the processing of computer programs. Its roles include managing the functioning of the computer hardware, running the… … Universalium
Compatible Time-Sharing System — This article is about the MIT Computation Center operating system. CTSS may also stand for the Cray Time Sharing System, a separate system developed for Cray supercomputers. Compatible Time Sharing System Company / developer MIT s… … Wikipedia
Cray Time Sharing System — This article is about the operating system distributed by Cray Research. CTSS may also stand for Compatible Time Sharing System, an unrelated operating system developed by the MIT Computer Centre. Cray Time Sharing System Company / developer … Wikipedia
