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→Purpose of Having a Matrix Account
Although you need to study concepts throughout this course, you will also need to learn to issue simple as well as more advanced Linux commands. This requires that you practice issuing Linux commands on a frequent basis to become more comfortable when working the Unix and Linux command-line environments.
Just like with other operating systems like MS Windows, it is important to learn how to open a command prompt in order to issue Linux commands to perform common Linux OS administration tasks. In Unix/Linux, a '''shell''' is simply an interface / interpreter to allow a user to communicate with the Linux computer system (server). Linux shells have evolved (improved) over a period of time. You will be using the '''Bash Shell''' which is considered to be user-friendly.
The Matrix server has been configured to only allow users to interact with the Linux OS by issuing commands. There are various reasons for this, but the main 2 reasons are to force students to learn how to issue Linux commands as well as limitations to remote access to a graphical Linux server due to large number of users (students).
Later in the course, your instructor may discuss other ways of accessing graphical versions of Linux, and how to launch a shell terminal.
[[Image:matrix-layout.png|thumb|right|450px|The Matrix server consists of several Virtual Computers all connected together to form a '''cluster'''. A cluster is a cost effective alternative to larger servers. ]]
