![]() In 1973, BS2000 V1.0 was a port of the TSOS operating system to models of the Siemens system 7.700 Univac's " fork" of TSOS would become VS/9, which used many of the same concepts. ![]() The same operating system was also sold to Sperry Univac when it bought most of RCA's computer division. It was an early operating system which used virtual addressing and a segregated address space for the programs of different users.įrom the outset TSOS also allowed data peripherals to be accessed only via record- or block-oriented file interfaces, thereby preventing the necessity to implement device dependencies in user programs. History īS2000 has its roots in the Time Sharing Operating System (TSOS) first developed by RCA for the /46 model of the Spectra/70 series, a computer family of the late 1960s related in its architecture to IBM's /360 series. This uniformity of the user interface and the entire BS2000 software configuration makes administration and automation particularly easy.Ĭurrently, it is mainly used in Germany - making up to 83% of its total user base - as well as in the United Kingdom (8%), Belgium (4.8%) and other European countries (4.2%). Unlike other mainframe systems, BS2000 provides exactly the same user and programming interface in all operating modes (batch, interactive and online transaction processing) and regardless of whether it is running natively or as a guest system in a virtual machine. Formerly Siemens 4004, 7.700 and 7.500 mainframes, /370, MIPS, and SPARC.īS2000 is an operating system for IBM 390-compatible mainframe computers developed in the 1970s by Siemens (Data Processing Department EDV) and from early 2000s onward by Fujitsu Technology Solutions. Siemens, Fujitsu Siemens Computers, Fujitsu Technology SolutionsīS2000 OS DX V1.0 / July 1, 2021 22 months ago ( )įujitsu Technology Solutions SE-Series, with /390 and/or x86. JSTOR ( September 2017) ( Learn how and when to remove this template message).Please improve this article by adding secondary or tertiary sources. This article relies excessively on references to primary sources.
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