If you want to know about history of Linux, it very important to know, who is the founder or This Opensource Operating System. try to read these post:
Unix operating system developed and implemented in the 1960s and was first released in 1970. Availability and compatibility factors which caused high can be used, copied and modified extensively by academic institutions and the businessman.
The GNU project which started in 1984 aims to create an operating system compatible with Unix and totally complete and consists of free software. In 1985, Richard Stallman founded the Free Software Foundation and developed the GNU General Public License (GNU General Public License or GNU GPL). Most programs required by an operating system (such as libraries, compilers, text editors, a Unix shell and the window system) was completed in the early 1990s, though elements of such a low level device drivers, and kernel jurik remained unfinished at the time . Linus Torvalds has said that if the GNU kernel was available at that time (1991), he will not decide to write his own version