Questions and help
Unix & Linux Stack Exchange is a question and answer site for users of GNU/Linux. This site is all about getting answers.
Ask Fedora is a forum for Fedora users. Here you can speak to the community to get help with installing, using, customizing, and upgrading a system running Fedora.
Learn and read more
The Free Software Foundation defends and advocates the very concept of free software that gave birth to GNU/Linux.
Note: these links are proposed as a recommendation. They are not commercial.