Linux a potted history Or lets look at

Linux a potted history Or. . . lets look at its popularity Andrew Smith … Open University

Jargon …. Apologies … I will try and use plain English

August/September 1991 So what! Who is Linus Torvalds? Coming up to 23 rd Birthday

The *nix family ● Shiny Macs are related ● i. Phone ● i. Pad ● Linux Timeline

Debian/Ubuntu ● A very popular branch ● Started in South Africa ● Pervasive in developing economies Start up Ubuntu

(An)Droid ● Linux in your pocket o o o 80% of market place tablets/phones malware issues … why? ● Kindle Fire is related

Webservers ● Apache 2 - sits on Linux o There is a Windows Version ● around 66 -70%

Raspberry Pi ● Since Feb 2012 ● Teaching our children to program ● Many other projects ● Has a popular version of Debian Squeeze

Open Source ● Free Software!!! ● Copyleft / Creative Commons ● GNU - does predate but links strongly into the Linux community ● Open Source Initiative

Google? ● One mega cluster ● Beowulf …. making a supercomputer out of old PC’s “Google Web Server (GWS) – custom Linux-based Web server that Google uses for its online services. ”

Top 500? ● Top 500 Super. Computers, Linux is on 485 ● Why? ● Cost/Flexible/Number of Processors

And Finally ● Most sky boxes are Linux ● Many control systems use Linux ● Chances are that most systems you connect to on the net are Linux based ● Free and ‘easy’ to manipulate