Knowing the version of Ubuntu running on your system can be helpful for various reasons, such as troubleshooting, compatibility checks, or simply keeping track of updates. In this guide, we will explore different methods to check your Ubuntu version.
Method 1: Using the lsb_release Command
The lsb_release command provides information about the Linux Standard Base (LSB) and the distribution-specific information, including the Ubuntu version.
To check the Ubuntu version using the lsb_release command, open a terminal and type:
lsb_release -a
This command will display detailed information about your Ubuntu version, including the release number, codename, and more.
Method 2: Checking the /etc/os-release File
Another way to check your Ubuntu version is by examining the /etc/os-release file. This file contains information about the operating system, including the version and codename.
To view the contents of the /etc/os-release file, open a terminal and type:
cat /etc/os-release
This command will display the contents of the file, including the VERSION_ID field, which indicates your Ubuntu version.
Method 3: Using the uname Command
The uname command provides information about the Linux kernel and can also be used to check the Ubuntu version.
To check the Ubuntu version using the uname command, open a terminal and type:
uname -r
This command will display the kernel release version, which typically includes the Ubuntu version number.
Similar Commands
There are a few other commands that can be used to check the Ubuntu version:
cat /etc/lsb-release: This command displays the contents of the/etc/lsb-releasefile, which contains information about the Ubuntu version.lsb_release -d: This command provides a brief description of the Ubuntu version.lsb_release -r: This command displays only the release number of the Ubuntu version.
Script to Check Ubuntu Version
If you need to check the Ubuntu version frequently or automate the process, you can create a simple bash script.
Here is an example of a bash script that checks the Ubuntu version:
#!/bin/bash
version=$(lsb_release -rs)
echo “Ubuntu version: $version”
Save the script in a file, such as check_ubuntu_version.sh, and make it executable using the following command:
chmod +x check_ubuntu_version.sh
To run the script, simply execute the following command:
./check_ubuntu_version.sh
The script will display the Ubuntu version on the terminal.
Useful Data
Here is a table summarizing the Ubuntu version numbers and their corresponding codenames:
| Version Number | Codename |
|---|---|
| 20.04 | Focal Fossa |
| 18.04 | Bionic Beaver |
| 16.04 | Xenial Xerus |
| 14.04 | Trusty Tahr |
Now that you know different methods to check your Ubuntu version, you can easily find the information you need. Whether you are a beginner or an experienced user, having this knowledge can be valuable for managing your Ubuntu system effectively.
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