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OS 360
used on first IBM pc of Victoria University in Manchester; it was only the interface of punched cards used on mainframes -
Unix
At the same time as OS 360, AT&T Bell Laboratories launched Unix, their operating system that became popular because it was easy to obtain, easily modified and completly free. -
Xerox
Xerox lauched an information system that revolutionized the world of operating systems, with a graphical interface. it consisted of icons that rappresented files and folders. -
Lisa
Xerox gave Apple the idea of graphical user interface. Lisa was the first Apple OS, but its cost was too high (about $10,000) and it didn't have success, but it was the beginning to the next Apple OS. -
Macintosh OS
It was the first operating system comlpetly graphical. News were GUI (graphical user interface). -
Windows 95
Microsoft launched its first OS -
NOW DAYS
The evolution of OS continued mainly with Apple and Microsoft work and it will continue...
