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Early free software I

Written by Pablo Gonzalez on June 8th, 2012

We begin this part of the blog as it should, from the start :-).

First a little history ...

In 1991 the Finnish student Linus Torvalds announced on the Internet for developing a core operating system and donated it to the community to function properly checkear.

This kernel Linux became ...

The foundation "Free Software Foundation (FSF)" from 1984 free software generated with GNU. Thanks to the vision of Richard Stallman who was a member of the FSF and promoted the software as a free tool where business models were: maintenance, training, additional services, literature searches, etc ... it started developing a series of free applications and quality.

At the junction of these two projects was born the environment we now know as GNU / Linux.

For this reason, we can not call it "Linux" is wrong, and his real name is GNU / Linux!.

To not ramble too much, just wanted to clarify that this combination was achieved by moving from concept to Open Source Free Software (Open Source) and this was recorded and produced a small conflict between the FSF and Open Source. Do not go into more detail here.

In 1997 Bruce Perens Open Source definitions generated later the Open Source Initiative (OSI) re-edited and published.

Importantly, and remember the following items that the OSI will be responsible for managing open source licenses. For more details see: and licenses approved by OSI,

(On the licenses discussed in another chapter, as it is interesting to spend time and inclination!).

I leave a link that shows when Linus Tovards community makes this great milestone and what we know today as a great operating system:

As a personal opinion, I will say that every time I see this link, I see a milestone that has enabled the development of tools to a new philosophy.

This new philosophy born the four basic freedoms of movement:

  • Freedom to use the software: The software should be used for any purpose.

  • Modify, study, adapt: ​​source code is required to carry out this freedom. This is one of the freedoms that education helps!.

  • Free distribution.

  • Evolve, improve and redistribute these improvements along with the source code of the program to continue to change and redistribute it.

As an interesting note, for those skeptical of architecture GNU / Linux, I just wanted to note that more than one 75% of computers have this supercomputing environment.

Adjunct 10 the top, and a little appreciation ... Operating System evil empire 59 appears in position and no longer appears in the list!

rank Manufacturer Country Total Cores Architecture Processor Speed ​​(MHz) OS Family Cores per Socket System Model
1 Fujitsu Japan 705024 cluster 2000 Linux 8 K computer
2 NUDT China 186368 MPP 2930 Linux 6 NUDT YH MPP
3 Cray Inc. United States 224162 MPP 2600 Linux 6 XT5 Cray-HE
4 Dawning China 120640 cluster 2660 Linux 6 Dawning TC3600 Blade System
5 NEC / HP Japan 73278 cluster 2930 Linux 6 G390 SL7s Cluster Platform
6 Cray Inc. United States 142272 MPP 2400 Linux 8 Cray XE6
7 SGI United States 111104 MPP 3000 Linux 4 SGI Altix ICE 8200EX / 8400EX
8 Cray Inc. United States 153408 MPP 2100 Linux 12 Cray XE6
9 Bull SA France 138368 cluster 2260 Linux 8 super-node bullx S6010 / S6030

For a full list, please get to the next link (very interesting):

Here is a summary history of the evolution of UNIX systems.

You can continue with more introductory aspects, but for now we leave here.

Hope you like!.

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