Since its creation in 1969, the UNIX operating system has powered computers worldwide. If you're contemplating a career in the IT field, training in UNIX (and its relative Linux) is a useful resume addition. Online courses in UNIX can be completed in your free time, from any computer with an Internet connection. Whether you hope to be a computer programmer, systems administrator, or just better at your current job, check out our directory of UNIX/Linux training courses. In just a few months you could have some very marketable new skills.