Official Ubuntu Documentation
Documentation developed and maintained by the Ubuntu Documentation Project.
| Release | Desktop | Server | Installation Guide |
| Ubuntu 15.10 (Wily Werewolf) | HTML | unpublished | unpublished |
| Ubuntu 14.04 LTS (Trusty Tahr) | HTML | HTML and PDF | HTML |
| Ubuntu 12.04 LTS (Precise Pangolin) | HTML | HTML and PDF | HTML |
| Ubuntu 16.04 LTS (Xenial Xerus) Pre-release version; may contain errors |
coming soon | coming soon | HTML |
Notes:
To access the Desktop documentation on your system use the Dash (search for 'help').
Unsupported releases are not shown here. See instructions for upgrading to a supported version.
The Server Guide and the Installation Guide are published only for LTS releases.
The Server Guide PDF and the Installation Guide are available solely in English.
There is an Installation Guide for each supported architecture and the HTML version contains a link to text and PDF formats (see chapter 3.3.1).
Useful information: LTS details and release & end-of-life dates (for all versions).
Cloud Documentation
Cloud documentation developed and maintained by Canonical and the Ubuntu Community.