What is Linux?

What is Linux?

Linux is a free and open-source operating system that powers everything from smartphones and laptops to servers and supercomputers.
It’s known for its speed, security, and flexibility.

Why Choose Linux?

• Open source: Anyone can view, modify, and share its code.
• Reliable: Linux systems rarely crash and can run for years without restarting.
• Flexible: There are many versions (called “distributions”)—like Ubuntu, Fedora, and Debian—to suit different needs.
• Secure: Built with strong user permissions and regular security updates.

Who Uses Linux?

• Developers build apps and servers on it.
• Enterprises run websites and cloud services on Linux servers.
• Everyday users can try Linux for free on their own computers.

Common Linux Commands

Here’s how you can check your Linux version:

uname -a

Key Takeaways

• Linux is fast, free, and open for anyone to use or improve.
• It powers much of the internet and is popular with developers and companies worldwide.
• You can get started by trying a Linux distribution on your own machine.