Linux is an open-source operating system that provides users with freedom and customization. It has a long history dating back to the 1970s with UNIX. There are many Linux distributions available that are free to use and come with a variety of desktop environments and applications. Common advantages of using Linux include stability, security, and ability to run on older hardware. Many companies and individuals use Linux for servers and other tasks.

2. Index
• What is Linux?
• Open Source
• Free Software
• History
• Linux distributions
• Linux Advantages
• Who use Linux?
• Ubuntu installation

3. What is Linux?
 An OS for your
Computer
 Like windows “Better”
• Experience total
freedom
• Free and Open Source

4. Open
Source
Owners of Proprietary Software closely guard their
Source code, and thus cannot be modified by anyone
except them
Owners of Proprietary Software closely guard their
Source code, and thus cannot be modified by anyone
except them
Open Source software means, the source code of
the software is OPEN to general public
Open Source software means, the source code of
the software is OPEN to general public
Source Code is made open so that people too can
contribute to the development of software
Source Code is made open so that people too can
contribute to the development of software

5. Free
Software
Free does not mean Free of Cost, instead it
means the freedom of source code
Free does not mean Free of Cost, instead it
means the freedom of source code
Though Open Source are mostly free of
cost but with few Exceptions
Though Open Source are mostly free of
cost but with few Exceptions
In Open Source Software you have the right to
use Use, Modify, Copy and Distribute the
software with or without the changes that you
made to the code
In Open Source Software you have the right to
use Use, Modify, Copy and Distribute the
software with or without the changes that you
made to the code

6. History  In 1970's AT&T Bell labs funded a
project to create a new Operating
System and came up with UNIX.
 UNIX finally developed as a powerful
Operating System and quickly became
very famous.
 Soon after contribution from various
Universities AT&T licensed it and
made it proprietary making it unfit for
teaching and learning.

7. History
 Linux is
OPERATING SYSTEM
 The code of UNIX is not
copied, only the
Operating System
Concepts are properly
incorporated.
 The development of Linux
started from scratch and
thus is just a Unix clone
and not freely available
UNIX copy.

8. Linux Distributions
Apps
GUI
Kernel
OPERATING
SYSTEM

9. Linux Distributions

10. Linux Distributions

11. Linux Advantages & Disadvantages
Advantages review:
 Freedom
 Easy to install
 Very stable
 Runs on old hardware
 Security
 Many choices in a wide
variety of distros.

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EMAIL : :
navneetlinuxexpert@gmail.Com