Linux is an optional operating system for those people who don't want to use Windows or Mac. Linux can be installed on all types of computers and is popular for having less crashes and virus than any other operating systems. Although, Linux has a disadvantage of being incompatible with many software types, including online poker software. However, Linux users can still play poker online on linux poker sites by using the instant play or no download option. 888Poker, Absolute poker and Party Poker are popular Linux poker sites which run directly in the Internet browser using the Flash or Java plug-in and you only need to have a compatible Internet browser and an Internet connection. To start playing on a Poker online, you need to register an account and provide your banking details if you are going to play with the real money. You are required to have either a Flash or Java-enabled browser in order to access the site, which should not be a big issue if your browser is well up to date. Otherwise, the web site will ask you to update your browser before you continue. When you are ready to play, you just need to login with your username and password, wait for the site to load and you start playing. Ensure to logout of your account when you are finished playing so that your personal account details is not shared with others.