linux command to show version

Jordan Emanuel

2 min read

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05-09-2024

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If you're a Linux user, knowing your system's version can be crucial for troubleshooting, software compatibility, and system management. Just like knowing the model of your car helps when seeking repairs or upgrades, knowing your Linux version will help you keep things running smoothly. In this article, we will explore the various commands you can use to find out your Linux version.

Why Is Knowing Your Linux Version Important?

1. Compatibility: Certain software applications and drivers are designed for specific Linux distributions or versions.
2. Support: Some distributions may no longer receive updates if they are outdated.
3. Troubleshooting: Knowing your version can help when seeking support or solutions to problems specific to that version.

Common Commands to Check Linux Version

1. lsb_release

One of the most common commands to check your Linux version is lsb_release. This command provides detailed information about your Linux distribution.

Usage:

lsb_release -a

Output: This will display information such as the distributor ID, description, release number, and codename of your Linux distribution.

2. /etc/os-release

Another reliable method is to check the /etc/os-release file, which contains relevant information about the operating system.

Usage:

cat /etc/os-release

Output: This will output a series of lines showing various fields like NAME, VERSION, ID, and more.

3. uname

The uname command can also be used to gather information, though it may not provide as detailed output as the previous methods.

Usage:

uname -a

Output: This command will provide you with system information, including the kernel name, version, and architecture.

4. hostnamectl

If you are using a system with systemd, you can also use the hostnamectl command, which provides both hostname and operating system details.

Usage:

hostnamectl

Output: You will see information about your operating system, including its version and architecture.

Summary

Knowing your Linux version is akin to having a map for a journey—essential for navigating through issues or optimizing your system. Here’s a quick recap of the commands you can use:

• lsb_release -a: Detailed distribution information.
• cat /etc/os-release: Key OS information in a text file.
• uname -a: Basic system and kernel information.
• hostnamectl: Systemd information including version.

By utilizing these commands, you can easily stay informed about your Linux system. For more information on Linux commands and their uses, check out our article on Essential Linux Commands for Beginners.

Happy Linux navigating!