Apple SOS

Apple SOS
Boot screen
DeveloperApple Computer
OS familySOS
Working stateDiscontinued
Source modelClosed source
Initial releaseJanuary 1980 (1980-01)
Latest release1.3 / January 1, 1980 (1980-01-01)
Update methodManual
PlatformsApple III
Kernel typeMonolithic kernel
Default
user interface
Full screen text mode
LicenseApple Software License Agreement

The Sophisticated Operating System,[1] or SOS (/sɔːs/),[2] is the primary operating system of the Apple III computer. SOS was developed by Apple Computer and released in October 1980.

In 1985, Steve Wozniak, while critical of the Apple III's hardware flaws, called SOS "the finest operating system on any microcomputer ever".[3]

  1. ^ Weyhrich, Steven (7 July 2001). "DOS 3.3, ProDOS & Beyond". Apple II History. SOS/PRODOS. Archived from the original on 17 September 2008. Retrieved 2008-09-26. The operating system designed for the Apple III computer was called "SOS". This title arose from the Apple III's code name, "Sara", which itself came from the name of the daughter of engineer Wendell Sanders.
  2. ^ Don, Reed (1982). Apple III SOS Reference Manual (PDF). Vol. 1. Apple Computer. Retrieved 2009-10-28. This manual describes SOS (pronounced "sauce") the Sophisticated Operating System of the Apple III.
  3. ^ Williams, Gregg; Moore, Rob (January 1985). "The Apple Story / Part 2: More History and the Apple III". BYTE (interview). 10 (1). United States: UBM Technology Group: 167. ISSN 0360-5280. OCLC 637876171.

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