virtualhub.eu.org/docs/1970s/1973/alto-os/index.md
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Alto OS
Xerox
Alto
1970s
1973
./alto-os.webp The Xerox Alto OS, was the first GUI system. It was way ahead of its time. We can run it on ContrAlto emulator. 1

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Alto OS

Alto OS

The Xerox Alto OS, was the first GUI system. It was way ahead of its time. We can run it on ContrAlto emulator.

Manuals

:::tip

The manuals refer to the mouse buttons by their color. On a modern 3-button mouse, the colors map as the following:

  • Red = Left mouse button
  • Yellow = Middle mouse button
  • Blue = Right mouse button

On most mouses, pressing the scroll-wheel simulates pressing the middle mouse button.

:::

You can download the Alto OS manuals from bitsavers. These are the most useful ones:

You may also be interested in the Alto hardware manual:

Apps

Credits