The Linux Documentation Project. The Linux Documentation Project is working towards developing free, high quality documentation for the Linux operating system. The overall goal of the LDP is to collaborate in all of the issues of Linux documentation.. linux, documentation, open source, open content, open documentation, free content, free documentation, howto, how to, faq, frequently asked questions, guides, getting started, linux system administration, linux programming, networking, man pages, manuals, volunteers, writers, authors, documentation projects, gnu, tldp, linuxdoc, docbook, dtd, SGML