1. Linux Overview

7/21/2019 1. Linux Overview

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Part 1: Linux Overview

Tux

Official Mascot of Linux Kernel

"Some people have told me they dontthin! a fat penuin really em#odiesthe race of Linux$ which %ust tells methey have never seen a anry penuin

charin at them in excess of1&&mph' Theyd #e a lot more carefula#out what they say if they had'" (Linus Torvalds


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)efore Linux

* +n ,&-s$ Microsoft-s .OS was the dominated OS forP/

* 0pple M0/ was #etter$ #ut expensive

* 2+3 was much #etter$ #ut much$ much moreexpensive' Only for minicomputer for commercialapplications

* People was loo!in for a 2+3 #ased system$ which

is cheaper and can run on P/* )oth .OS$ M0/ and 2+3 were proprietary$ i'e'$ the

source code of their !ernel is protected

* 2o modification is possi#le without payin hihlicense fees


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)rief 5istory of 627Linux

* 18,9 ree Software oundation ;S< founded #y=ichard Stallman' 0lon with other prorammerscreates the tools needed to ma!e a 2+3 compati#le OS

* 18,9 Professor 0ndy Tannen#aum creates a 2+3 li!eoperatin system #ased on System > nix for the +)MP/ ? P/70T computers' +t is called Minix'

* 18,8 =ichard Stallman releases 6PL and 62 software#ut lac!s a free !ernel'

* 1881 )uildin on the concepts in Minix$ Linus Torvalds;innish collee student< develops Linux alon with helpfrom other users on the we#'


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@

Ahat Linux is

* Strictly spea!in Linux refers to the !ernel* 627Linux more accurately descri#es the Operatin

System' Linux Kernel com#ined with 62 utilities andli#raries

* .istri#ution B 627Linux #undled with other applications'Cxamples =ed 5at Linux$ .e#ian$ #untu$ Suse$

Knoppix$ etc'

*.istri#utions can #e compiled and maintained #y anindividual or corporation' /an #e small ;sinle floppydis!< or span several /.7.>.s'

* www'distrowatch'comfor more information
http://www.distrowatch.com/http://www.distrowatch.com/


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Ahat is a .istri#utionD

* 0 Linux distri#ution ;or distro< is a complete Linuxoperatin system: a collection of free and sometimesnon(free software created #y individuals$ roups andoraniEation from around the world and havin the Linux

!ernel at its core'

* /ompanies such as =ed 5at$ SuSC$ Mandra!eSoft$ aswell as the 6entoo pro%ect$ compile the software andprovide it as a complete system ready to install and use'

;wi!ipedia


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Linux .istri#utions* =ed 5at ;Cnterprise< Linux is pro#a#ly the larest commercial Linux vendor'

ocus on sta#ility and lon term support' =ed 5at sponsors a community

version ;edora< which underoes a more rapid development cycle'

* #untu #ased on .e#ian Linux' #untu claims to #e most popular des!topversion' Many applications and excellent Gupdate mechanismH contri#ute toits sucess' =evenue is created #y sellin technical support'

* Puppy B This distri#ution is small enouh to #e loaded entirely in =0M' This

frees up the /.7.>. drive for other uses' /onfiuration can #e saved to afile #etween re#oots'

* .e#ian 627Linux* OpenLinux ;/aldera

1. Linux Overview

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