Official Ubuntu Documentation
Documentation developed and maintained by the Ubuntu Documentation Project.
| Release | Desktop | Server | Installation Guide |
| Ubuntu 19.04 (Disco Dingo) | HTML | unpublished | unpublished |
| Ubuntu 18.04 LTS (Bionic Beaver) | HTML | HTML and PDF | per architecture |
| Ubuntu 16.04 LTS (Xenial Xerus) | HTML | HTML and PDF | per architecture |
Notes:
The Desktop and 16.04 Serverguide 'HTML' links above are available in many different languages. They will be displayed in the preferred language specified by your browser. If the preferred language is not available they will be displayed in English. The 18.04 'HTML' and all 'PDF' Serverguides and the Installation Guide are available solely in English.
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 Long Term Support (LTS) releases.
Useful information: LTS details and release & end-of-life dates (for all versions).