Sam Liddicott wrote:
How can somene only use free software if they don't know which software is free?
Use a distribution which makes efforts to only include free software.
http://www.gnu.org/links/links.html#FreeGNULinuxDistributions with explanations and reasoning here: http://www.gnu.org/philosophy/free-system-distribution-guidelines.html
I am using gNewSense as well as Fedora, Debian and until-recently Ubuntu, on my personal machines.
Only free software is not there in every distro yet, but I am quietly confident that at least there people in the Fedora and Debian projects working to getting their distros on that list too.