Software:EWS-UX

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EWS-UX
Classic NEC logo used from 1963 to 1992
DeveloperNEC
OS familyUnix System V
Working stateHistorical
Initial releaseLate 1980s
Marketing targetWorkstation
PlatformsEWS4800 (jp)
LicenseProprietary

EWS-UX is a Unix operating system used by NEC Corporation for its EWS4800 (jp) line of engineering workstations.[1][2][3] EWS-UX is based largely on versions of Unix System V supplemented with BSD software.[1][4][2] It was widely used from the late 1980s to around 2000.

Overview

EWS-UX and the EWS-4800 line of workstations were widely used for CAD / CAM work.[5]

Early versions of EWS-UX run on Motorola 68000 series CISC processors, while later versions run on MIPS RISC processors.[6]


EWS-UX and UP-UX (jp) (NEC's Unix server OS) became integrated and merged into UX/4800 (jp).

Versions

  1. EWS-UX / V: Based on Unix SVR2. It runs on the EWS4800 series equipped with the MC68020, MC68030, and MC68040 processors.
  2. EWS-UX / V (Rel4.0): Based on Unix SVR4. It runs on the EWS4800 series equipped with R3000 (VR3600 (jp)) and R4000 processors.
  3. EWS-UX / V (Rel4.2): Based on Unix SVR4.2. It supports processors such as the R4400, VR4200 (jp), and R4600.
  4. EWS-UX / V (Rel4.2MP): Based on Unix SVR4.2MP. It supports multi-processor systems using the R4400MC. It is mostly similar to UP-UX, NEC's Unix operating system for servers.

See also

References

  1. ↑ 1.0 1.1 "EWS4800/220, EWS4800/260". https://museum.ipsj.or.jp/en/computer/work/0011.html. 
  2. ↑ 2.0 2.1 "Implementation Status of Electronic Library Service". NACSIS Newsletter (18). September 1998. ISSN 0915-7018. https://www.nii.ac.jp/ENEWS/NL18/1816.html. Retrieved 23 October 2024. 
  3. ↑ Kailey, Judy B.; Himes, Peggy N., eds (January 1994). "VALIDATED PRODUCTS LIST 1994 No. 1". p. 35. https://nvlpubs.nist.gov/nistpubs/Legacy/IR/nistir5354.pdf. 
  4. ↑ van der Steen, Aad J; Dongarra, Jack J (May 1996). Overview of Recent Supercomputers (Report) (6th ed.). University of Tennessee Knoxville. pp. 35, 67. https://library.eecs.utk.edu/files/ut-cs-96-325.pdf. 
  5. ↑ "Mechanical CAD/CAM/CAE worldwide, 1998-1999". DataQuest. 2 March 1998. p. 27. https://archive.computerhistory.org/resources/access/text/2013/04/102723362-05-01-acc.pdf. 
  6. ↑ "SEEKING STRENGTH IN NUMBERS AGAINST US ONSLAUGHT, NEC, SONY MAKE MIPS BOXES COMPATIBLE". Tech Monitor. 14 May 1992. https://www.techmonitor.ai/technology/seeking_strength_in_numbers_against_us_onslaught_nec_sony_make_mips_boxes_compatible/. 



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