There's a large selection of free and open source (FOSS) operating systems available these days, and choosing the right one for any given circumstance can be quite a challenge. This article is intended to help you pick the best operating system for your needs and experience level. Although this article is geared primarily toward those who have little to no experience with FOSS operating systems, we've included some pointers for more savvy open source users – say, those who use a FOSS operating system at home and would like to deploy one on the job.