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Title: DC/OSx  
Author: World Heritage Encyclopedia
Language: English
Subject: SINIX, Fujitsu, UNIX System V, Pyramid Technology, HOAP
Collection: Siemens, Unix System V
Publisher: World Heritage Encyclopedia


Developer Pyramid Technology
OS family Unix System V
Working state Historical
Source model Closed source
Marketing target Network Server
Platforms MIPS architecture
Kernel type Monolithic kernel
License Proprietary

DC/OSx (DataCenter/OSx) is a discontinued Unix operating system for MIPS based systems developed by Pyramid Technology. It ran on its Nile series of SMP machines and was a port of AT&T System V Release 4 (SVR4). In 1995, Pyramid Technology was acquired by Siemens Nixdorf Informationssysteme (SNI), and DC/OSx was superseded by the SINIX operating system.


  • History 1
  • See also 2
  • References 3
  • External links 4


DC/OSx was the first symmetric multiprocessing (SMP) implementation on Unix System V Release 4.[1][2]

DC/OSx was later superseded by SINIX, a version of the Unix operating system from SNI.[3] Features of DC/OSx were incorporated into SINIX; later versions were branded as Reliant Unix.

See also


  1. ^ Dc/osx: Definition and additional resources from ZDNet
  2. ^ Pyramid: source of Nile - Pyramid Technology Corp. announces Nile Series of RISC-based symmetric multiprocessing servers - Client/Server Computing Edition
  3. ^ Siemens Nixdorf Bets On Intel And 64-Bit Solaris X86 | Computergram International

External links

  • List of Unix Variants
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