The ext2, ext3 and ext4 file systems are successors of the original ext ("extended") file system. They are the main file system types used for hard disks on Debian and other Linux systems.

Automake is a tool for automatically generating `Makefile.in's from files called `Makefile.am'.

XML is a metalanguage to let you design your own markup language. A regular markup language defines a way to describe information in a certain class of documents (eg HTML). XML lets you define your own customized markup languages for many classes of document. It can do this because it's written in SGML, the international standard metalanguage for markup languages.

LaTeXila is a LaTeX editor for GNOME. It integrates the various tools required for processing LaTeX documents. It provides menus, buttons and templates to assist with the edition and the compilation of documents.