Linux was designed around a strong and highly integrated command line interface. One of the chief requirements to master Linux is to master its command line structure. Master the command line and you will be able to perform powerful tasks with just a few keystrokes. So, how one should go about a career in Linux? To help you with this, The Linux Foundation is offering a Holiday Training Sale in which you get 50% off on their self-paced training and certifications. Not only this, you also get a free 25th Anniversary training and limited-edition mug. However, the offer is valid only until December 22nd. The Self-Paced, Online Training Courses offered by The Linux Foundation include: To know more, click here. To buy, click here. To learn more, click here. To buy, click here. To learn more, click here. To buy, click here. To learn more, click here. To buy, click here. To learn more, click here. To buy, click here. To learn more, click here. To buy, click here. For those who are looking to get the attention of hiring managers, or looking to prove themselves for their next promotion, The Linux Foundation has Certification courses for them that are mentioned below: To learn more, click here. To buy, click here. To learn more, click here. To buy, click here. So, what are you waiting for? Go and grab the holiday sale offer using Coupon Code HOLIDAY50 upon checkout and become a pro with Linux and other open source technologies.