Genera (operating system)
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| Developer | Symbolics |
|---|---|
| Written in | Lisp |
| OS family | Lisp Machine OS |
| Initial release | 1982 |
| Latest release | 8.5 |
| Platforms | various Symbolics Lisp machines, DEC Alpha |
| Default user interface | Dynamic Windows |
| License | Proprietary |
| Official website | symbolics-dks |
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. It is available as proprietary software.
Genera is an example of a Lisp, 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.
The Lisp Machine operating system was written in Lisp Machine Lisp. It was a one-user workstation initially targeted at software developers for artificial intelligence projects. The system 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 and it provided (among others):
This was already a complete operating system and development environment for a Lisp-based one-user operating system.
The MIT Lisp Machine operating system has been developed from the middle 1970s to the early 1980s.
In 2006 the source code for this Lisp Machine operating system from MIT was released as open source.
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