05-05-2012, 04:48 PM
LINUX TUTORIAL
tutorial.pdf (Size: 3.4 MB / Downloads: 172)
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.
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.
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 Commands
v Commands tell the operating system to perform set of operations.
v The syntax form of the commands are
Command options arguments