LINUX
UNIX historical development
1969 Ken Thompson developed on DEC PDP-7 machine UNIX systems
1971 Ken Thompson's colleague Dennis Ritchie invented C language
1973UNIX system most of the C language rewritten to lay the foundation for improving the portability of UNIX systems
The early 1970s, the computer industry as well as a great invention --TCP / IP protocol. This is a UNIX system, the development of the C language, TCP / IP protocol is started, they are affected so far in operating systems, programming languages, network protocols, these three areas. • • Ken Thompson and Dennis Ritchie for outstanding contributions in the field of computers, in 1983 received the highest award in computer science - Turing Award.
mac is the underlying UNIX kernel
Linux historical development of
the Linux kernel was originally written for a • Linus Torvalds (Linus Torvalds) when he was studying at the University of Helsinki, hobbies, when he felt that teaching a mini version of the UNIX operating system Minix too hard to use, so We decided to develop an operating system. The first version released in September 1991, when only 10,000 lines of code.
1991 Finnish universities have joined Linus and later developed many enthusiasts
UNIX and Linux relationship and distinction
UNIX was born to fly than earlier Linux, Linux modeled on UNIX development (but not copying the source code), UNIX is commercial software, Linux is open source