Linux : an overview

Linux : an overview
Written by Nilima PaulDecember 7, 2021
7 min read
Linux Administration
Nilima Paul

Technology Security Analyst

This article explains to you the overview of Linux and its advantages and disadvantages.

What is Linux?

Linux has been around since the mid-1990s and has since reached a user-base that spans the globe. Linux is actually everywhere: It?s in your phones, your thermostats, in your cars, refrigerators, Roku devices, and televisions. It also runs most of the Internet, all of the world’s top 500 supercomputers, and the world’s stock exchanges.

But besides being the platform of choice to run desktops, servers, and embedded systems across the globe, Linux is one of the most reliable, secure and worry-free operating systems available.



Applications of Linux

The applications of Linux are:

  • Linux is an open-source operating system. The source code of Linux is easily available for everyone.
  • Linux provides security.
  • Older computer systems can be revived using Linux.
  • Softwares can be updated using Linux.
  • Customization can be done using Linux.
  • Various distributions can be done using Linux.
  • Linux is free to use.
  • The cost of Linux is low.
  • Linux has large community support.

Necessity to learn Linux

The three main reasons to study Linux are:

  • Linux is an open-source operating system and anyone with the knowledge of programming languages can modify Linux.
  • Millions of programs and applications are offered by Linux operating system for free.
  • Not necessary to use antivirus when Linux is installed on the system as Linux is a highly secure system. A community of global development is looking into it to enhance the security time by time. The operating system becomes more robust and secure with each upgrade.
  • The server environments prefer Linux operating system because it is stable and reliable. The servers based on Linux can run non stop for years without a reboot. Companies like Google, Facebook, Amazon, etc. use Linux for their servers.

Advantages of Linux

  • Stability and efficiency: Because Linux was developed from Unix, Linux and Unix have many similarities. Not only the user interface and operation methods, but Linux also inherits the superior stability and efficiency of Unix. For servers using Linux as the operating system, it is quite common to run for one year without downtime.
  • Low configuration requirements: Linux has very low hardware requirements. It can run smoothly on computers and Linux laptops a few years ago. With Windows, you need to constantly upgrade the machine’s hardware.
  • Free or a small fee: Linux is based on the GPL (General Public License), so anyone can use or modify the original code for free. Only a small fee is required when choosing a Linux distribution made by some vendors. Of course, it is still much less expensive than Windows.
  • Strong support: a large number of Linux enthusiasts will exchange discussions, and develop and share some good software, with a very open use atmosphere.
  • Security: Linux has considerable user and community support, so it can quickly find system vulnerabilities and quickly release security patches.

Linux has many other advantages, such as strong network support, convenient console operation, and so on. You may even download Photoshop for Linux and use its photo editing and designing features on this free platform. Although Linux does a good job overall, it still has some shortcomings.

Disadvantages of Linux

  • There is no specific support vendor: Because the software on Linux is distributed for free, naturally there is no support such as after-sales service. But the good news is that as long as we search carefully, we can always find a solution to the problem: D
  • The graphical interface is not good enough: this is probably the most important reason affecting the popularity of the Linux desktop. But over time, Desktop environments (Gnome, KDE, XFCE) have become more useful and better. At present, every major Linux distribution can be used as a desktop computer.


The prerequisites to learn Linux is a strong foundation of C programming language, basics on the operation of the operating system and knowledge of computer organization and architecture. To learn about the Linux based operating systems, getting started with an easy to use an operating system like Ubuntu is recommended. But after installing learn how to use the terminal and get familiar with the User interface. Soon update to Arch Linux or Gentoo to know the internal working.

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