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DeveloperJohannes Helander, Helsinki University of Technology;
Flux Research Group, University of Utah
Written inC, assembly language
OS familyUnix-like (4.4BSD)
Working stateDiscontinued
Source modelOpen-source
Final release1.1.u3 / 30 March 1996; 27 years ago (1996-03-30)
Marketing targetResearch
Available inEnglish
Update methodCompile from source code
Platformsx86, MIPS, Alpha, PA-RISC, PC532
Kernel typeMicrokernel
user interface
Command-line interface

Lites is a discontinued Unix-like operating system, based on 4.4BSD and the Mach microkernel. Specifically, Lites is a multi-threaded server and emulation library that provided unix functions to a Mach-based system. At the time of its release, Lites provided binary compatibility with 4.4BSD, NetBSD, FreeBSD, 386BSD, UX (4.3BSD), and Linux.[1]

Lites was originally written by Johannes Helander at Helsinki University of Technology, and was further developed by the Flux Research Group at the University of Utah.[2]

See also[edit]


  1. ^ Helander, Johannes. "Lites 1.0 Announcement". Helsinki University of Technology. Archived from the original on 16 July 1997. Retrieved 6 November 2021.
  2. ^ Hibler, Mike; Clawson, Stephen (15 March 1996). "General Lites Information". University of Utah. Retrieved 6 November 2021.

External links[edit]