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 Ubuntu is a question and answer site for Ubuntu users. Even for users of different distributions of GNU/Linux this can be a helpful resource for finding answers.
There are many real-time discussion channels for the free software community. IRC, or Internet Relay Chat, is a real-time, text-based form of communication. You can have conversations with multiple people in an open channel or chat with someone privately one-on-one. Major GNU/Linux distributions have their own dedicated IRC channels where you'll find users and developers that are happy to answer your questions. Here you can find the IRC channels for the distributions we recommend:
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.