The most leading operating system is Linux for accessing the server side applications. There are multiple Java applications which are running on Linux, and some are there which run on windows.
There are multiple applications which usually runs on Linux examples are payment gateway, trading system, and other applications which are financial.
If you wanted to get served for the long term, Linux is the leading skill. You get to know a lot of automation which encourages you to write scripts, but also it is essential for many IT jobs e.g. support engineers, testers, developers, etc.
This tool is essential for programmers, and if you do not know Linux you will not be able to find what is going in an application on Linux. You get separated from the normal programmer and a good programmer have grabbed over the Linux command as well.
5 Online Courses where you can learn Linux
Here you will get to learn the free online training courses for learning the Linux in 2019.
Through these courses, you can easily grab knowledge and master the concepts of Linux. If you wanted to take your knowledge to the next level, these courses will give you the way.
You will get to know the operating system and the command line of Linux, which is more important to know. Anyone who wants to learn Linux can use these free courses but its more suited for developers, QA, System admins, and programmers.
1. Introduction To Linux
This course is the leading course on Linux, which gives you an overview of the history and the distributions of Linux. e.g. CentOS, RedHat, Fedora, Ubuntu etc. for the Linux commands, you will learn all the basic knowledge of it.
You will be taught with the basics of the Linux commands. e.g. how to create and move files and directories, how to archive and compress files, how to combine two or more commands using pipes, and how to redirect output to a file.
In short, a good introduction to Linux for beginners who are hearing Linux first time.
2. Learn The Linux Command Line: Basic Commands
If you want to master in Linux command line, this course is more beneficial. And if you get knowledge about it, it will be good as the command line is the often used tool for developers and the programmers.
You will know about the commands which are related to the management of file, management of process and the system management, etc. this course is important for the users of Linux but through this Mac users are also benefited a little bit.
This course can be recommended for the beginners as there is deep teaching of how to use the command line and avoid the material which is not needed.
3. Red Hat Enterprise Linux Technical Overview
This course is absolutely free will be taught by, Steve Bonneville, a technical curriculum architect who will give you the basic knowledge of Linux and also gives you the practical techniques which are used and the administrative tasks of the system which are for the IT professionals.
After finishing this free Linux course, you will have a good understanding of the Linux operating system. Short lectures and demonstrations will cover distribution, shell, kernel, userspace, file hierarchy, permissions, and more.
4. Linux Tutorials and Projects (Free)
The one who has a good knowledge of Linux, this course is provided to you by him. The author Jason Cannon has started his IT career in the late 1990s as a Unix and Linux System Engineer and you will his real experiences in this course.
Some leading practical tasks will be taught to you in this course. You will get help through these practical tasks to get into Linux and make you more confident for working in the real servers.
5. Learn Linux on a MAC or Windows
In this course, you will learn how you can set up an Ubuntu Linux server on VirtualBox to get a taste of Linux command line on Mac or Windows itself.
If you are working in mac or windows, this would be your start for learning the commands of Linux. For becoming an expert, you might take time but for giving a try to have good knowledge about the command line, go for it.
That is all about some of the free courses to Learn Linux online. As I have said before, Linux is a must-have skill for any programmer or IT professional. You can do a lot more if you know Linux.