Opening The Terminal For The First time
Many people coming to Linux for the first time are wary of the command line. It has a fearsome reputation It is supposed to be difficult and hard to grasp. In fact it is a language which you can learn if you choose to, gradually increasing your vocabulary and mastery of the syntax at whatever pace you find comfortable. Of course you do not need to learn it at all in order to use modern user-friendly Linux distributions like Ubuntu but your experience with Linux will be vastly enriched if you take the time to master the basics.
Whole HubPage article here: The Linux Command Line For Beginners: Part 1