Here is a Free Linux command line tutorials for beginners which will make you comfortable with Linux commands. You will be familiarize with all basic commands in Linux with complete description. The shell commands (also referred to as command line) is very easy to learn and very useful when you want to get into Big Data development and other development. This free Linux command video tutorial will enable you to use your computer more efficiently.
Each video will teach you perform one task with practical approach. After finishing the course, you will be master almost all the commands that you will use in computer. This course will teach you assuming that you are new to Linux.