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 Screenshot of Newton OS 2.0 | |
| Developer | Apple Computer, Inc. |
|---|---|
| Written in | C++ |
| Working state | Historical |
| Source model | Closed source |
| Initial release | August 3, 1993 |
| Final release | 2.1 / 21 March 1997 |
| Platforms | ARM |
| Kernel type | Microkernel |
| Default user interface | GUI |
| License | Proprietary EULA |
| Succeeded by | iPhone OS |
Newton OS is a discontinued operating system for the Apple Newton PDAs produced by Apple Computer, Inc. between 1993 and 1997. It was written entirely in C++ and trimmed to be low power consuming and use the available memory efficiently. Many applications were pre-installed in the ROM of the Newton (making for quick start-up) to save on RAM and flash memory storage for user applications.