Intro to GNU – GLUG DSCE – Free? Cool!
Intro to GNU
GLUG DSCE
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GNU, What is it?
GNU stands for
GNU's Not Unix
An operating system, which is 100% free
Free? Cool!
Free as in "Freedom" or "Free Speech"
Not as in "Free Beer"
Four Freedoms in GNU
The freedom to run the program as you wish
The freedom to copy the program and share it with your friends
The freedom to change the program as you wish, by having full access to source code;
The freedom to distribute an improved version and thus help build the community.
History
Founder
Richard Stallman
Why, When and How?
Who doesn't like a video?
Open source
Is something whose source code is open. It doesn't necessarily mean it is free.
The license determines if a software is free or not
Some free softwares
Android
Linux
Mozilla Thunderbird
Mozilla Firefox
Open Office
PHP
MySQL
And much more...
Benifits of free softwares
Reliability
Stability
Auditability
Cost
Flexibility and Freedom
Support and Accountability