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History of Linux

History of Linux. 1991 Computer hardware was pushing the limits beyond what anyone expected – DOS was still reigning supreme in the world of personal computers. PC users had no other choice. Apple Macintosh prices were astronomical.

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History of Linux

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  1. History of Linux • 1991 Computer hardware was pushing the limits beyond what anyone expected – DOS was still reigning supreme in the world of personal computers. PC users had no other choice. Apple Macintosh prices were astronomical. • The other dedicated camp of computing was the Unix world. Unix was far more expensive and out of reach from PC users. The source code of Unix, once taught in Universities courtesy of Bell Labs, was now cautiously guarded. • A solution appeared on the horizon called MINIX. It was written from scratch by Andrew S. Tanenbaum, a Dutch professor who wanted to teach his students the inner workings of a real operating system. It was designed to run on the Intel 8086 microprocessor. created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  2. History Continued • MINIX was not a superb operating system, but it had the advantage that the source code was available. • In 1991, Linus Benedict Torvalds was a second year student of Computer Science at the University of Helsinki and a self taught hacker. Torvalds loved to tinker with the power of computers and the limits which the system could be pushed. All that was lacking was an operating system that could meet the demands of professionals. MINIX was good, but still it was an operating system for students, designed as a teaching tool. • At the same time, programmers worldwide were greatly inspired by the GNU project by Richard Stallman, a software movement started in 1983 to provide free quality software. (GNU is a recursive acronym which actually stands for ‘GNU is Not UNIX’). created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  3. History Continued • August 25, 1991 the historic post was sent to the MINIX newsgroup by Linus Torvalds. • Linus did not believe at the time that Linux was going to be big enough to change computing forever. • Linux version 0.01 was released by mid September 1991 and was put on the Internet. Enthusiasm gathered and codes were downloaded, tweaked, and returned to Linus. Linux 0.02 came October 5th. • That was the start of a new generation Operating system created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  4. What is Linux? created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  5. Linux was created by Linus Torvalds (hence, the name) in Helsinki, Finland. He was in his early years of university studies in Computer Science, when he created this operating system. created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  6. Linus Torvalds selected Larry Ewing’s creation of Tux, the Linux penguin, as the logo or mascot.Ewing generously gave his creation for the promotion of Linux. Thank you Larry for sharing me with the world. created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  7. Linux is the movement to open source software. Instead of closed software, it allows the software to be distributed freely. created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  8. However, Linux truly began from the inspiration of a brilliant man: Richard Stallman created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  9. Who is Richard Stallman? Founder of the Free Software Foundation in 1985, for the GNU Project. Wrote the free software license called the GNU General Public License (GNU GPL). His goal was to provide an alternative to proprietary software. created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  10. General Public License (GPL) granted users rights to: • Run the program for any general purpose. • Study, modify and/or improve the program to suit personal needs. Access source codes are needed prior to such action. • Redistribute copies of program to the public at no cost. created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  11. Adoption of Linux • Linux’s availability and functionality have won the hearts of both commercial and non-commercial users. Many have adopted this open source system as their home and office desktop operating system. created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  12. Linux Distributions • Redhat – Most popular amongst industry • Debian – Many distributions are based on this distribution • Mandrake – Very popular distribution • Suse – Most software rich distribution. • Slackware – Most popular amongst hackers. Very user unfriendly • Gentoo – Slowly replacing Slackware • Many more! created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  13. Companies that run Linux servers include… open source projects and participants. created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  14. Why Choose Linux? Linux operating system uses a graphical user interfacethat is similar toother proprietary operating systems. (example: Microsoft XP or Mac OSX) created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  15. Linux vs. Windows created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

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  20. There is a catch. • Any modifications made to any programs must be released to the public. This is known as “Copyleft” • According to Richard Stallman, software developers have the right to make changes, share codes, use and redistribute, but are not bound to give away any derived work. created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

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  22. Cost created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  23. Linux and EducationCost created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  24. Hardware Requirement created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  25. Linux and EducationHardware Requirement created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  26. Software created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  27. Linux and EducationSoftware Requirement created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  28. Linux and EducationSoftware Applicability created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  29. Installation and Technical Support created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  30. Linux and EducationInstallation and Technical Support created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

  31. With all that being said,Would you adopt Linux into your classroom today? created by:gaurav shrivastav contact:-gaurav9915969367@ymail.com

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