=== [http://www.mediawiki.org/wiki/MediaWiki MediaWiki v1.24.0] ===
This is the software that users and editors interact with most directly; it is the wiki server software. It is what you are looking at right now. MediaWiki was originally developed for use on Wikipedia and is available under a [https://gnu.org/licenses/gpl.html GNU General Public License (GPL)]. The software is written in PHP, and the installation file is a mere 20 MB.
=== [http://ubuntu.com Ubuntu v14.04] ===
* '''[http://gnometerminator.blogspot.com/p/introduction.html Terminator]''' is a terminal, that is, a program that users interact with by typing in commands.
* '''[http://tmux.sourceforge.net/ tmux]''' is a terminal multiplexer that allows users to run multiple programs inside one, e.g., Terminator terminal running OpenSSH.
* '''[http://www.vim.org/ vim]''' is a text editor. A great deal of the server maintenance done to PhilBio.net is simply editing manipulating text files.