LINUX

What is Linux?

Linux is an open-source operating system used to manage computer hardware and software resources.

 It acts as a bridge between the user and computer hardware.

Linux is widely used in:

  • Servers

  • Cloud computing

  • DevOps environments

  • Mobile devices (Android)

Linux is an open-source operating system that manages computer hardware and software resources and is widely used in servers, cloud computing, and development environments.

Definition:-

Purpose of Linux

1️⃣ To provide a stable and secure operating system
2️⃣ To allow free and open-source software development
3️⃣ To support multi-user and multitasking environments
4️⃣ To power servers, cloud systems, and enterprise applications

 

Key Features of Linux

✔ Open Source – Anyone can view and modify the source code
✔ Multi-user – Multiple users can use the system at the same time
✔ Multitasking – Run multiple programs simultaneously
✔ High Security – Strong permission and user management
✔ Portable – Works on different hardware platforms​

Popular Linux Distributions

A Linux distribution (distro) is a version of Linux with different tools and interfaces.

Examples:

  • Ubuntu

  • Red Hat Enterprise Linux

  • CentOS

  • Debian

  • Fedora

Basic Components of Linux

1️⃣ Kernel – Core part of the operating system
2️⃣ Shell – Interface to interact with the system using commands
3️⃣ File System – Organizes files and directories
4️⃣ Utilities – System tools and commands

 Real-World Usage

  • Linux is used by many major companies and platforms such as:

  • Google servers

  • Amazon cloud infrastructure

  • Most web servers and cloud platforms run on Linux.

  • Facebook data centers

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