If you’ve never used Linux before, the black terminal screen can feel like a glimpse into the abyss. Linux has always been associated with the geekiest among us even though it has had a friendly Windows-like graphical user interface (GUI) for a while now. The reason most people are so apprehensive of Linux is because they are so accustomed and deeply immersed in the Windows and MacOS environments.
Yet, Linux is actually not that difficult to learn. As long as you master the basic and most important commands, you’ll have the foundation you need to grow your knowledge from there. You can of course use Linux’s GUI to accomplish a lot. However, knowledge of text-mode commands can give you a depth of control that isn’t available through the GUI.
The following are the five most important commands every first time Linux user should seek to master.
1. sudo
sudo is simultaneously the best and worst command on Linux. You should treat it with certainty but also a healthy degree of dread. Using sudo before any Linux command automatically runs the said command with root (or superuser) privileges.
sudo is necessary when running certain processes such as altering configuration files or updating the system. But sudo also grants the power to irreparably destabilize or destroy the system. It can be used to intrude on the privacy of other system users. Since sudo has such unlimited power, you should never use it before a command you do not fully understand.
2. Package Manager Tools (pacman, apt or yum)
The most frequent reason you’ll be deploying the sudo command is when you are adding or removing programs on your server or PC using a package manager. Package managers like pacman, apt and yum, may differ in their command grammar and arguments but they can all perform the basic functions of

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