Editing Apple GS/OS (section)

{{Short description|Apple IIGS operating system}}
{{More citations needed|date=May 2023}}
{{Infobox OS
| name = GS/OS
| screenshot = AppleIIGSOS.png
| caption = The IIGS Finder running within GS/OS
| developer = [[Apple Inc.|Apple Computer]]
| family = GS/OS
| source_model = [[Closed source]]
| working_state = Historic
| released = {{Start date and age|1988}}
| latest_release_version =  GS/OS v4.02 (System Software 6.0.1)
| latest_release_date = {{Start date and age|1993|05|06}}
| kernel_type = [[Monolithic kernel]]
| license = Apple Software License Agreement
| website = 
|}}

'''GS/OS''' is an [[operating system]] developed by [[Apple Inc.|Apple Computer]] for its [[Apple IIGS|Apple II<small>GS</small>]] [[personal computer]]. It provides facilities for accessing the [[file system]], controlling input/output devices, loading and running program files, and a system allowing programs to handle [[interrupt]]s and signals. It uses [[Apple ProDOS|ProDOS]] as its primary filing system. GS/OS is a component of Apple II<small>GS</small> System Software versions 4.0 through 6.0.1, and was the first true 16-bit operating system for the II<small>GS</small>.