Linux

Presented by:Josh Tullo

Linda LuongWebpage: https://sites.google.com/site/bus119alinux/

Last updated: September 26,2011

What is Linux? Background and Brief History Why choose Linux? Uses KDE and GNOME Linux and Unix Popular Linux Applications Conclusion

Table of Contents

Linux is a computer operating system based on free and open source software.

There are many different varieties of Linux Linux is Unix-Like and based on the “Linux” Kernel Has the X Windows GUI Runs on multiple platforms Includes the Source Code

What is Linux?

Linux was created in 1991 by Linus Torvalds

Torvalds began to develop the Linux kernel on Minix

Later Linux matured and began to develop under itself

In 1992, Torvalds released his notes for version .12 and published version 0.99

Brief History and Background

1998: Many major companies such as IBM, Compaq and Oracle announce their support for Linux.

By 2005, the use of Linux became more prevalent in Supercomputing.

2011: Version 3.0 of the Linux kernel is released.

Brief History and Background

Linux is Powerful◦ It runs on multiple hardware platforms◦ Its fast and stable◦ Does not require latest hardware

Linux is “Free”

There are multiple vendors who distribute the Linux Software

Why choose Linux?

Desktop Servers Mainframes Supercomputers Android◦ Android is based on a modified version of Linux

Firewalls and Servers◦ Cisco/Linksys

Uses

Both KDE and Gnome are just big packages with software aimed to look and feel the same way, work well together and generally give the user a nice experience

Linux can either be used with a KDE or Gnome desktop environment

Desktop EnvironmentsKDE and GNOME

GNOME Desktop

KDE Desktop

UNIX is copyrighted name only big companies are allowed to use the UNIX copyright and name, so IBM AIX and Sun Solaris and HP-UX all are UNIX operating systems.

Linux is just a clone of UNIX

Linux and Unix

Difference Characteristics Between Linux & UNIX Linux comes with open source netfilter/iptables based

firewall tool to protect your server and desktop from the hackers.

UNIX operating systems comes with its own firewall product

Linux and Unix

Common Characteristics Between Linux & UNIX Both share many common applications such as: GUI, file, and windows managers (KDE, Gnome) Shells (ksh, csh, bash) Development tools (perl, php, python, GNU c/c++

compilers) Posix interface

Linux and Unix

UNIX Operating System Names A few popular names: HP-UX IBM AIX Sun Solairs Mac OS’s IRIX Linux Distribution (Operating System) Names A few popular names: Redhat Enterprise Linux Fedora Linux Debian Linux Suse Enterprise Linux Ubuntu Linux

Linux and Unix

Emulators◦Mac-On-Linux◦Win4Lin◦Wine

Multimedia◦ Kplayer - KDE◦ LAME◦ LiVES◦ RealPlayer for Linux◦ VLC

Popular Linux Applications

Office◦ Gnumeric - GNOME◦ Koffice – KDE ◦Open Office

Browsers◦ Firefox◦ Konquerer - KDE◦Opera

Popular Linux Applications

We've uncovered all the essential aspects of the Linux operating system, and we hope you've now got a much better understanding of how it all hangs together. One of the best things about Linux is that you're free to experiment and change things freely.

It’s Not the End

https://sites.google.com/site/bus119alinux/

What is Linux? Background and Brief History Why choose Linux? Uses KDE and GNOME Linux and Unix Popular Linux Applications Conclusion

Table of Contents