Oberon operating system

Oberon is an operating system, originally developed as part of the NS32032-based Ceres workstation project; it is written entirely in the Oberon programming language. The entire system was designed and built by a team at ETH Zurich by Niklaus Wirth and associates.

The user interface is neither a GUI nor quite a command line, being tied closely to naming conventions in Oberon (the language). This approach has not been very influential among more recent operating systems.

The Oberon OS is available for several other hardware platforms, generally in no cost versions. It is typically extremely compact. Even with an Oberon compiler, assorted utilities including a Web browser, TCP/IP networking, and a GUI, the entire package has been able to fit on a single 3.5" floppy disk.

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