System 1
| A release of the Mac OS operating system | |
The original System 1 desktop
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| Developer | Apple Computer |
|---|---|
| Source model | Closed source |
| Released to manufacturing |
January 24, 1984 |
| Latest release | 1.1 / May 5, 1984 |
| Kernel type | Monolithic |
| License | Proprietary |
| Succeeded by | System 1.1, then System 2 |
| Support status | |
| Unsupported | |
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This article does not cite any references or sources. (August 2010) |
System 1, also known as Macintosh System Software was the original Macintosh operating system. It is a part of the Classic Mac OS family. It ran on the 68K processor architecture of the time. It was released on January 24, 1984 along with the original Macintosh (aka Macintosh 128K) and replaced by System 1.1 on May 5, 1984.
Features[edit]
This operating system introduced many features that would appear for years to come, some even still existing in OS X, and a few existing in other graphical operating systems such as Microsoft Windows.
The features of the operating system included a total lack of a command line interface (which was included in Microsoft's Windows 1.0 introduced in 1985), Finder, and the menu bar. In addition to this, it popularized the graphical user interface and desktop metaphor, which was used under license from Xerox PARC.
Due to the limited RAM of early computers, there was no multitasking with multiple applications, however there were small applications that could run while an application was loaded. Also, the Trash lost the contents when the computer was shutdown or an application was loaded (closing Finder).
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