Common Linux Terms Every SysAdmin Should Know: Part 1

A large percentage of the world’s servers run Linux, so it is a good idea to know some of the common terms you might encounter while using it. The following terms are a good starting point.

Command Line Interface (CLI) - On the server end, this is the main method of interfacing you will use to interact with your server. Unlike a graphical user interface (GUI), there is nothing to point, click or drag. You get a flashing cursor and the ability to type in commands.

Filesystem – This term is used to describe the system used to organize, access, create and delete files. Common Linux filesystems include Ext2, Ext3, Ext4, ReiserFS (nearly defunct now), XFS and JFS. Choosing a good filesystem for your server is very important for stability and effective storage.

GRUB – GNU GRand Unified Bootloader is what your server needs to properly boot a Linux kernel. It also allows you to configure a wide range of boot options that can both help or hinder a system. Therefore, it is a good idea to know exactly what you are doing before messing with GRUB’s configuration.

In part two, we will look at more common Linux terms that you should definitely know when you become a system administrator.

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