|License||Various (Ubuntu MOTU Developers)|
|Website||Ubuntu wiki RestrictedFormats|
Ubuntu Restricted Extras is a software package for the computer operating system Ubuntu that allows the user to install essential software which is not already included due to legal or copyright reasons.
It is a meta-package that installs:
- Support for MP3 and unencrypted DVD playback
- Microsoft TrueType core fonts
- Adobe Flash plugin
- codecs for common audio and video files
The software in this package is not included in Ubuntu by default because Ubuntu maintainers want to include only completely free software in out-of-the-box installations. The software in this package may be closed-source, encumbered by software patents, or otherwise restricted. For example, the Adobe Flash plugin is a closed-source piece of software. Additionally, many multimedia formats such as MP3 and H.264 are patented. In countries where these patents apply, legally distributing software that use these formats may require paying licensing fees to the patent owners.
The Ubuntu Restricted Extras is a metapackage and has the following dependencies:
As of Ubuntu 10.10, several of these dependencies are included indirectly, through another metapackage called Ubuntu Restricted Addons.
Due to the legal status of the software included in Ubuntu Restricted Extras, the package is not included by default on any Ubuntu CDs. However, some distributions, such as Super OS, Pinguy OS and Revamplinux do bundle the package on their installation CDs or DVDs.
- Chris Hoffman (17 April 2013). "Why Ubuntu Doesn't Come With Support for MP3s, Flash, and Other Multimedia Formats". How-To Geek. Retrieved 28 February 2019.
- Package: ubuntu-restricted-extras in Maverick Meerkat
- Ubuntu repositories and ISO inclusion
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