The Implementation of the ULIX Literate Operating System








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A diary documenting the implementation of ULIX-i386

Welcome to the ULIX blog.

Ulix (Literate Unix) is a Unix-like operating system developed at University of Erlangen-Nürnberg. I use D. E. Knuth's concept of Literate Programming for the implementation and documentation. The goal was a fully working system which can be used in operating system courses to show students how OS concepts (such as paging and scheduling) can be implemented. Literate programs are very accessible because they can be read like a book; the order of presentation is not enforced by program logic or compiler restrictions, but instead is guided by the implementer's creative process.

Ulix is written in C and assembler for the Intel architecture. The literate programming part is handled by noweb.

On this page I document my progress with the implementation.

Navigation: 2015 | 2014 | 2013 | 2012 | 2011

v0.13: First public release (04.11.2015)

Yesterday, I put the first public release of Ulix online. You can get it from the ulixos.org website. Both the source code (hosted on GitHub) as well as the Ulix book are available from that site. Also, in September my PhD thesis (which also contains the Ulix book as a huge appendix) was published. It is available on the university's webserver (PDF, 1054 pages, 11.5 MByte).

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