It’s that time of year again — when all of the pundits, bloggers, and Max Headroom-like “voices of the future” spout off their thanks for all things tech and nerdy. Not one to jump on every bandwagon that comes along — I wanted to point out the things that the open source and Linux community have to be thankful for.
#1 Red Hat
Red Hat has not only proved that Linux software can turn a serious profit, it was also part and parcel to the early success of the Linux operating system.
rest here 
Also: Has GNU/Linux Given Anything to You?