Define UNIX and LUNIX?
if I'm not wrong the second one is LINUX not lunix..
Unix (officially trademarked as UNIX, sometimes also written as Unix or Unix with small caps) is a computer operating system originally developed in 1969 by a group of AT&T employees at Bell Labs including Ken Thompson, Dennis Ritchie and Douglas McIlroy. Today's Unix systems are split into various branches, developed over time by AT&T as well as various commercial vendors and non-profit organizations.
First edition of Unix released 11/03/1971. The first edition of the "Unix PROGRAMMER'S MANUAL [by] K. Thompson [and] D. M. Ritchie" is also dated "November 3, 1971". It includes over 60 commands like: b (compile B program); boot (reboot system); cat (concatenate files); chdir (change working directory); chmod (change access mode); chown (change owner); cp (copy file); ls (list directory contents); mv (move or rename file); roff (run off text); wc (get word count); who (who is one the system).
Second edition of Unix released 12/06/1972
Third edition of Unix released February 1973
Fourth edition of Unix released November 1973
Fifth edition of Unix released June 1974
Sixth edition of Unix released May 1975
Seventh edition of Unix released January 1979
Eighth edition of Unix released February 1985
Ninth edition of Unix released September 1986
Linux is introduced by Linus Torvalds, a student in Finland. Who post to the comp.os.minix newsgrou ...more
As of 2007, the owner of the trademark UNIX is The Open Group, an industry standards consortium. Only systems fully compliant with and certified to the Single UNIX Specification qualify as "UNIX" (others are called "Unix system-like" or "Unix-like").
During the late 1970s and early 1980s, Unix's influence in academic circles led to large-scale adoption of Unix (particularly of the BSD variant, originating from the University of California, Berkeley) by commercial startups, the most notable of which is Sun Microsystems. Today, in addition to certified Unix systems, Unix-like operating systems such as Linux and BSD derivatives are ...more