Linux Is UNIX

• UNIX is 20+ years old

• UNIX is an OS style or philosophy

  • ``Real'' Operating System: Manages shared resources across multiple consumers
  • Mid-size kernel, huge collection of utilities

• Cross-platform, cross-version

  • Power PC, 68K, Alpha, SPARC, MIPS, etc...
  • BSD UNIXes, SCO, proprietary UNIX