Index• What is Linux?• Open Source• Free Software• History• Linux distributions• Linux Advantages• Who use Linux?• Ubuntu installation
What is Linux?• An OS for your computer• Like windows “Better”• Experience total freedom• Free and Open Source
Owners of Proprietary Software closely guard their Source code, and thus cannot be modified by anyone except them Open Open Source software means, the source code ofSource the software is OPEN to general public Source Code is made open so that people too can contribute to the development of software
Free does not mean Free of Cost, instead it means the freedom of source code Free Though Open Source are mostly free of cost but with few ExceptionsSoftware 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
History In 1970s 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.
History Linux is Unix-like 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.
Linux Distributions Operating System Apps GUI Kernel
Linux Advantages & Disadvantages Advantages Disadvantages Freedom Learning curve Easy to install Equivalent programs Very stable Runs on old hardware Security Many choices in a wide variety of distros.
? Who use Linux The White House The United States Department of Defense Frances national police force Germany, 560,000 students in 33 universities Russia, all school computers The Indian governments tablet for student use Linux as the operating system , US$35 Sonys PlayStation 3 Novell, 5500 employees Amazon.com, in nearly every corner of its business Google IBM, IBM supports Linux 100% Wikipedia DreamWorks Animation McDonald Who don’t use Linux ?!!