diff --git a/free-programming-books.md b/free-programming-books.md index 50b7bb468..d958034f5 100644 --- a/free-programming-books.md +++ b/free-programming-books.md @@ -1820,6 +1820,7 @@ See also [LaTeX](#latex) ### Unix +* [An Introduction to Unix](http://www.oliverelliott.org/article/computing/tut_unix/) * [Commentary on the Sixth Edition UNIX Operating System](http://www.lemis.com/grog/Documentation/Lions/) - J. Lions * [Unix Toolbox](http://cb.vu/unixtoolbox.xhtml) - Colin Barschel * [UNIX Tutorial for Beginners](http://www.ee.surrey.ac.uk/Teaching/Unix/)