POSIX and UNIX Synergy

• The Single UNIX Specification builds on the foundation of international standards

  • mandates POSIX options to form a rich foundation which you can depend on
  • ISO/IEC 9945-1:1996 (POSIX) (System Interfaces)
    • Classic POSIX.1 functionality plus...
    • Realtime and Threads
  • ISO/IEC 9945-2:1992 (Shell & Utilities)
  • ISO/IEC 9899:1990/Amendment 1:1995 (Multibyte support

Notes: