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History
| 1960s | IBM has 70 to 80% of the world's harware and software market, and invents the notion of series of compatible computers. |
| 1965 | DEC manufactures the first mini-computers. |
| 1969 | First version of the Unix operating system. |
| 1971 | Intel sells the first microprocessors. |
| 1973 | The first micro-computers. |
| 1981 | IBM lauches the Personal Computer (PC) and makes micro-computers respectable. It's operating system is Microsoft MS/DOS. |
| 1984 | Apple launches the Macintosh, with the first general public graphical user interface. |
| 1984 | Beginning of the GNU project. |
| 1990 | Windows 3.0. |
| 1991 | The development of Linux begins. |
| 1994 | Version 1.0 of Linux. |
| 1998 | Open Source Initiative. |