An Evaluation of the Real-Time Performances of SVR4.0 and SVR4.2

Research output: Contribution to journalArticlepeer-review


UNIX is one of the most widely used operating systems on current workstations. However, UNIX was originally designed as a multitasking and time-sharing system with little concern for supporting real-time applications. Recent versions of UNIX have incorporated real-time features and the designers of these systems claim to provide better response times than the standard UNIX kernel. In order to assess the benefits of these new features and verify these claims, this paper compares the real-time performances of two popular versions of UNIX namely System V Release 4.0 and System V Release 4.2 for the Intel platform.

Original languageEnglish
Pages (from-to)78-87
Number of pages10
JournalOperating Systems Review (ACM)
Issue number1
StatePublished - Jan 1997

ASJC Scopus subject areas

  • Information Systems
  • Hardware and Architecture
  • Computer Networks and Communications


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