SINIX is a discontinued variant of the

Unix Unix (, ; trademarked as UNIX) is a family of multitasking, multi-user 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 and software resources, and provides common daemon (computing), services for computer programs. Time-sharing operating systems scheduler (computing), schedule tasks for ...

from Siemens Nixdorf Informationssysteme. SINIX supersedes SIRM OS and

Pyramid Technology Pyramid Technology Corporation was a computer company that produced a number of RISC-based minicomputers at the upper end of the performance range. It was based in the San Francisco Bay Area of California They also became the second company to s ...

's DC/OSx. Following

X/Open X/Open group (also known as the Open Group for Unix Systems and incorporated in 1987 as X/Open Company, Ltd.) was a consortium founded by several European UNIX systems manufacturers in 1984 to identify and promote open standards in the field of info ...

's acceptance that its requirements for the use of the UNIX

trademark A trademark (also written trade mark or trade-mark) is a form of intellectual property that consists of a word, phrase, symbol, design, or a combination that identifies a Good (economics and accounting), product or Service (economics), service f ...

were met, version 5.44 and subsequent releases were published as Reliant UNIX by

Fujitsu Siemens Computers Fujitsu Siemens Computers GmbH was a Japanese and German vendor of information technology. The company was founded in 1999 as a 50/50 joint venture between Fujitsu of Japan and Siemens AG of Germany. On April 1, 2009, the company became Fujits ...

Features

In some versions of SINIX (5.2x) the user could emulate the behaviour of a number of different versions of Unix (known as ''

universe The universe is all of space and time and their contents. It comprises all of existence, any fundamental interaction, physical process and physical constant, and therefore all forms of matter and energy, and the structures they form, from s ...

s''). These included System V.3, System III or

BSD The Berkeley Software Distribution (BSD), also known as Berkeley Unix or BSD Unix, is a discontinued Unix operating system developed and distributed by the Computer Systems Research Group (CSRG) at the University of California, Berkeley, beginni ...

. Each universe had its own command set,

libraries A library is a collection of Book, books, and possibly other Document, materials and Media (communication), media, that is accessible for use by its members and members of allied institutions. Libraries provide physical (hard copies) or electron ...

and

header file An include directive instructs a text file processor to replace the directive text with the content of a specified file. The act of including may be logical in nature. The processor may simply process the include file content at the location of ...

Xenix-based SINIX

The original SINIX was a modified version of

Xenix Xenix is a discontinued Unix operating system for various microcomputer platforms, licensed by Microsoft from AT&T Corporation. The first version was released in 1980, and Xenix was the most common Unix variant during the mid- to late-1980s. T ...

and ran on

Intel 80186 The Intel 80186, also known as the iAPX 186, or just 186, is a microprocessor and microcontroller introduced in 1982. It was based on the Intel 8086 and, like it, had a 16-bit external Bus (computing)#Address bus, data bus multiplexed with a 20 ...

processors. For some years Siemens used the NSC-32x32 (up to Sinix 5.2x) and Intel 80486 CPUs (Sinix 5.4x - non MIPS) in their MX-Series.

System V-based SINIX

Later versions of SINIX based on

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 ...

were designed for the: * SNI RM-200, RM-300, RM-400 and RM-600 servers running on the MIPS processor (SINIX-N, SINIX-O, SINIX-P, SINIX-Y) * SNI PC-MX2, MX300-05/-10/-15/-30, Siemens MX500-75/-85 running NS320xx (SINIX-H) * PC-MXi, MX300-45 on the Intel

X86 x86 (also known as 80x86 or the 8086 family) is a family of complex instruction set computer (CISC) instruction set architectures initially developed by Intel, based on the 8086 microprocessor and its 8-bit-external-bus variant, the 8088. Th ...

processor (SINIX-L) * SNI WX-200 and other IBM-compatible i386 PCs on the

Intel 80386 The Intel 386, originally released as the 80386 and later renamed i386, is the third-generation x86 architecture microprocessor from Intel. It was the first 32-bit computing, 32-bit processor in the line, making it a significant evolution in ...

and newer processors (SINIX-Z) The last release under the SINIX name was version 5.43 in 1995.

Reliant UNIX

The last Reliant UNIX versions were registered as UNIX 95 compliant (XPG4 hard branding). The last release of Reliant UNIX was version 5.45.

External links

Siemens Business Services
- SINIX patches and support

* Sven Mascheck

{{Unix-like MIPS operating systems X86 operating systems UNIX System V

Features

Xenix-based SINIX

System V-based SINIX

Reliant UNIX

See also

External links