Unix / Linux History

• UNIX: Developed 1969 (first C - version 1971) by Ken Thompson at AT\&T Bell Labs,
  Many new versions (IBM, SGI, SUN, Novell, BSD, etc), standard 1991: SVR4 (System V Release 4).
  2001: Version 3 of the Single UNIX Specification unites IEEE POSIX,
  
  
• Linux: Started 1991 by Linus Torvalds (student at University of Helsinki, Finland),
  1994: version 1.0 of the Linux Kernel was released.
  Current version is 2.4 (released January 2001). Development continues ....