Top Linux Features You Need to Know in 2025

Discover the powerful features of Linux, from security and customization to performance and open-source benefits. Learn why Linux stands out among operating systems.

Updated: 18 Oct, 25 by Susith Nonis 11 Min

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Linux has become one of the most powerful and versatile operating systems in the world. What started as a personal computing project is now widely used across servers, desktops, cloud platforms, mobile devices, and supercomputers. Many users still ask: what are the key features of Linux and why use Linux compared to other operating systems? 

In this guide, we’ll explore the most important linux features, explain the biggest linux advantages, and show how the features of Linux operating system provide security, performance, flexibility, and customization for different types of users.

Whether you're a student, IT beginner, developer, or business decision-maker comparing platforms, this article will walk you through the most essential linux operating system features with practical examples. You’ll also discover why many professionals recommend it, and how linux security features and linux customization options support both personal and enterprise-level use.

To give new users clarity early on, here's a comparison table that highlights why use Linux over other OS options. This table appears before we dive deeper into the individual characteristics.

Feature/Aspect

Linux

Windows

macOS

Licensing

Open-source & free

Proprietary (paid)

Proprietary (paid)

Customization

Extensive

Limited

Moderate

Security

Strong, built-in layers

Frequent vulnerabilities

Stable but restrictive

Performance on old hardware

Excellent

Poor

Limited

Software Management

Package managers (APT, YUM, etc.)

EXE/MSI installers

App Store & PKG

Server Usage

Dominant

Limited

Minimal

Cloud & Containers

Industry standard

Low adoption

Rare

User Permissions

Granular control

Less strict

Moderate

Community Support

Global, open-source

Vendor-based

Vendor-based

Cost for Enterprises

Minimal or free

Licensing fees

Licensing fees

This table reinforces the biggest linux advantages, especially in terms of control, performance, cost, and flexibility. If you're completely new to Linux and want to start with the basics, check out our guide on What is Linux Operating System to build a strong foundation.

Linux stands out because of a combination of unique capabilities that appeal to beginners, developers, enterprises, and system administrators. Below are the core features of Linux operating system that make it so popular today.

1. Open Source and Community Collaboration

One of the most defining linux features is that it is completely open-source. Under the GNU General Public License (GPL), anyone can view, modify, and redistribute the source code. This gives individuals and organizations total transparency and independence from proprietary software vendors.

Why this matters:

  • No costly licensing fees
  • Ability to customize or optimize source code
  • Global developer community constantly improving the system
  • Faster updates, bug fixes, and innovations

Many popular distributions like Ubuntu, Debian, Fedora, CentOS, Arch, and Linux Mint thrive thanks to collaboration. If you're curious about how Linux is used in real life, you can explore more in our detailed guide on What is Linux used for.

2. Security and Stability Features

Security is one of the main linux advantages, and a major reason why enterprises, hosting providers, and governments adopt it. Compared to other OS, Linux experiences significantly fewer malware attacks and backdoors. This is due to a combination of architectural decisions and modern linux security features.

SELinux and AppArmor

Security-Enhanced Linux (SELinux), developed by the NSA, enforces mandatory access control to restrict applications and users. AppArmor is another security module that limits programs based on predefined profiles. These tools provide layers of defense against intrusions and exploitation.

User Permissions and Firewalls

Linux uses a strict permission model (owner-group-others), which makes unauthorized access difficult. The built-in firewall (iptables or nftables) offers customizable rules for controlling network traffic.

Why use Linux for security?

  • Strong access controls
  • Minimal default vulnerabilities
  • Encrypted filesystems and directories
  • Frequent community and distro-level updates
  • Safe multi-user environment

Organizations using Linux for servers or VPS hosting benefit from security, reliability, and long-term performance. If you’re planning to host applications or websites securely, consider exploring our high-performance Linux VPS plans.

3. File Systems Supported by Linux

Another major strength lies in the variety of file systems supported by different Linux distributions. These file systems are optimized for performance, reliability, and scalability.

ext4, Btrfs, XFS Overview

ext4

  • Default in many distros
  • Fast, stable, and widely supported
  • Journaling to prevent data corruption

Btrfs

  • Advanced snapshots and rollback
  • Pooling and data integrity features
  • Suitable for servers and DevOps environments

XFS

  • Excellent for large files and enterprise storage
  • High throughput and scalability

The flexibility to choose between these file systems is one of the less-discussed but powerful features of Linux OS.

4. Package Management and Software Installation

Linux distributions offer various package management systems to search, install, update, and remove software efficiently. This eliminates the need to manually download installers or worry about system clutter.

APT, YUM, Snap, and Flatpak Explained

APT (Advanced Package Tool)

Used in Debian-based distros like Ubuntu and Linux Mint. Ideal for quick installations using.deb packages.

YUM / DNF

Used by Red Hat-based systems like Fedora, RHEL, AlmaLinux, and CentOS.

Snap Packages

Containerized software that works across distros without dependency conflicts.

Flatpak

Universal package format with sandboxing for additional security.

Package managers save time and improve system maintenance. If you’re new to Linux commands, we recommend visiting our guide on Linux Commands to get started with practical usage.

5. Customizability and User Interface Options

Customization is one of the most loved linux features. Users have absolute control over the desktop environment, interface elements, themes, and shell environments. These linux customization options allow you to tailor the system to both aesthetics and performance needs.

Desktop Environments and Shells

Popular desktop environments:

  • GNOME
  • KDE Plasma
  • XFCE
  • Cinnamon
  • LXQt
  • Mate

Shell options:

  • Bash
  • Zsh
  • Fish
  • TCSH

From minimalistic setups for programming to feature-rich desktops with animations, Linux supports every workflow. These customization capabilities make Linux attractive to developers, gamers, sysadmins, and casual users alike.

6. Linux in Cloud Computing and Containerization

One of the fastest-growing areas where Linux dominates is cloud infrastructure and container technology. When people ask why use Linux in modern IT environments, the answer often connects directly to its role in DevOps, virtualization, and scalable deployments.

Docker, Kubernetes, and Cloud Use Cases

Docker Containers:

Most Docker containers are based on Linux because it offers lightweight virtualization, better resource management, and compatibility with microservices.

Kubernetes:

Kubernetes, the leading container orchestration platform, was designed to run on Linux systems. Cloud providers like AWS, Google Cloud, and Azure rely heavily on Linux hosts.

Cloud Hosting:

Over 80% of cloud-native applications run on Linux due to its security, stability, and cost-effectiveness. Most web servers, VPS systems, and enterprise workloads run on Linux distributions like Ubuntu Server, CentOS, and Debian.

If you're planning to deploy apps or host projects in the cloud, Linux is the most common and reliable foundation. For better performance and control, explore managed hosting like Linux VPS to get started with secure and scalable environments.

7. Hardware Compatibility and Performance

Another reason why use Linux is its ability to perform efficiently on both modern and legacy systems. Unlike Windows and macOS, Linux distributions do not demand high resources to function smoothly.

Key Hardware Advantages:

  • Runs on devices with as little as 128–256MB RAM
  • Works efficiently on older laptops and desktops
  • Supports ARM, x86, RISC-V, and other architectures
  • Used in embedded systems, routers, IoT devices, and Raspberry Pi
  • Offers drivers for a wide range of components

Linux operating system features prioritize performance optimization, low latency, and minimal overhead, making it ideal for developers, enterprises, and users with limited hardware.

To better understand the features of Linux OS, it helps to compare them directly to Windows and macOS. Here’s a breakdown of key differences:

✅ Security

  • Linux: Built-in permissions, SELinux/AppArmor, low malware exposure
  • Windows: Frequently targeted by viruses and ransomware
  • macOS: Secure but limited control and customization

✅ Cost & Licensing

  • Linux: Free and open-source
  • Windows/macOS: Paid licenses and locked ecosystems

✅ Customization

  • Linux: Full control over UI, shells, and components
  • Windows/macOS: Limited personalization options

✅ Performance

  • Linux: Lightweight, runs even on old hardware
  • Windows: Heavy resource usage
  • macOS: Optimized only for Apple hardware

✅ Software Management

  • Linux: APT, YUM, Snap, Flatpak, source builds
  • Windows/macOS: Manual downloads and installers

These comparisons reinforce several linux advantages and help users decide confidently when looking for security, stability, control, and value.

Linux has evolved into a flexible, modern, and high-performing operating system suitable for beginners, developers, sysadmins, and businesses. From linux customization options to advanced linux security features, it continues to outperform traditional proprietary platforms in many areas.

Here’s a summary of the biggest linux advantages:

  • Completely open-source and community-driven
  • Secure and stable with enterprise-grade protection
  • Highly customizable across desktops and servers
  • Compatible with a wide range of hardware
  • Ideal for cloud computing, virtualization, and containers
  • Cost-effective with no licensing fees
  • Supports nearly every programming and development stack

If you're ready to explore Linux hands-on, take the next step with a powerful and scalable environment by choosing a Linux VPS. With the right knowledge and tools, Linux can serve as your main operating system for both personal innovation and professional growth.

People Are Also Reading:

Linux is open-source, secure, customizable, lightweight, and supports multiple file systems, shells, and package managers. Its modularity and stability make it ideal for both personal and enterprise use.

Built-in user permissions, SELinux, AppArmor, firewalls, and frequent updates make Linux extremely resistant to malware, backdoors, and ransomware. These linux security features protect both local systems and servers.

Yes. Linux runs on desktops, servers, phones, IoT devices, Raspberry Pi, legacy PCs, and supercomputers. It is one of the most hardware-friendly systems globally.

Common options include APT, YUM/DNF, Snap, and Flatpak. These tools simplify software installation and updates without manual downloads.

Because of its freedom, cost-efficiency, performance, customization, and advanced security layers. It also powers most cloud servers, supercomputers, and enterprise systems.

Susith Nonis

Susith Nonis

I'm fascinated by the IT world and how the 1's and 0's work. While I venture into the world of Technology, I try to share what I know in the simplest way with you. Not a fan of coffee, a travel addict, and a self-accredited 'master chef'.

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Andreanne Grady

2024, Aug, 24

Great breakdown of Linux's strengths! It's amazing how far Linux has come from just a personal computer OS to being the backbone of supercomputers and commercial servers. The features highlighted here, like its open-source nature, end-to-end encryption, and extreme flexibility, really showcase why it's so popular among developers and businesses. Also, the growing trend in cloud-based computing and supercomputing is super exciting. Looking forward to diving into the features in more detail!

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Hattie Harber Jr.

2025, Jan, 25

Linux has truly revolutionized the tech landscape with its adaptability and open-source nature. It's fascinating to see how it evolved from being just for PCs to powering supercomputers and becoming a go-to OS for servers globally. Whether you're a seasoned developer or a newcomer exploring alternatives, Linux offers a plethora of features that cater to diverse needs. This post does a great job highlighting its strengths, especially for those looking to maximize their tech setup! Keep up the great work!

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Jeramy Brown

2025, Aug, 25

Great overview of Linux and its amazing features! Linux's open-source nature truly sets it apart, allowing for constant improvements and innovations from developers worldwide. It's fantastic to see how it's evolved from being just for personal computers to powering supercomputers and servers. Its flexibility and the community-driven development really show its potential as a powerful tool for both beginners and experts. Looking forward to seeing what new advancements come next!