1. What is Linux?
1.1 History of UNIX
v UNIX is an Operating System (OS).
v UNIX was developed about 40 years ago i.e., 1969 at AT&T Bell Labs by Ken Thompson
and Dennis Ritche.
v It is a Command Line Interpreter.
v It was developed for the Mini-Computers as a time sharing system.
v UNIX was the predecessor of LINUX.
1.2 History of LINUX
v LINUX was created by Linus Torvalds in 1991.
v LINUX is a open source.
v LINUX is a variant of UNIX.
1.3 Why LINUX/UNIX?
v LINUX is free.
• Can view and edit the source code of OS
v It is fully customizable.
v Most Important Feature is Stability
• 30Years to get the bugs
• Important in shared environments and critical applications
v LINUX has better security structure.
v High Portability
• Easy to port new H/W Platform
• Written in C which is highly portable
Linux Tutorial 1.0.doc