Genera (operating system)

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Genera is a commercial operating system and development environment for Lisp machines developed by Symbolics. It is essentially a fork of an earlier operating system originating on the MIT AI Lab's Lisp machines which Symbolics had used in common with LMI and Texas Instruments. Genera is also sold by Symbolics as Open Genera, which runs Genera on computers based on an Alpha processor using Tru64 UNIX. This software is available as proprietary software. However, older versions are available as free software.

Genera is an example of an operating system written in Lisp. It is an object-oriented operating system.

Genera supports incremental and interactive development of complex software using a mix of programming styles with extensive support for object-oriented programming.


MIT's Lisp Machine operating system

The Lisp Machine operating system was written in Lisp Machine Lisp. The Lisp Machine was a one-user workstation initially targeted at software developers for artificial intelligence projects.[1] The Lisp Machine had a large bitmap screen, a mouse, a keyboard, a network interface, a disk drive and slots for expansion. The operating system was supporting this hardware. The Lisp Machine operating system provided (among others):

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