How to know the redhat version on Linux?

How to Know the Red Hat Version on Linux

Linux is an open-source operating system that is widely used by developers, system administrators, and power users. One of the key features of Linux is its ability to display the version number of the operating system. In this article, we will explore how to know the Red Hat version on Linux.

Understanding the Red Hat Version

The Red Hat version is a unique identifier that is used to identify the specific version of the Linux distribution. It is usually represented by a combination of letters and numbers, and it is used to track changes and updates to the operating system.

How to Find the Red Hat Version on Linux

To find the Red Hat version on Linux, you can use the following methods:

• Using the uname -r command: The uname -r command is a built-in command in Linux that displays the kernel version and the version of the operating system. You can use the following command to find the Red Hat version:

  • uname -r

• Using the cat /etc/os-release file: The /etc/os-release file is a configuration file that contains information about the operating system, including the version number. You can use the following command to find the Red Hat version:

  • cat /etc/os-release

• Using the lsb_release -a command: The lsb_release -a command is a built-in command in Linux that displays information about the operating system, including the version number. You can use the following command to find the Red Hat version:

  • lsb_release -a

Red Hat Version Format

The Red Hat version is usually represented by a combination of letters and numbers, and it is usually in the format of RHEL<version>. For example, the Red Hat version RHEL8 means that the operating system is version 8.

Red Hat Version Numbers

Here are some common Red Hat version numbers:

• RHEL 6: This is the previous version of Red Hat Linux, which was released in 2014.
• RHEL 7: This is the current version of Red Hat Linux, which was released in 2017.
• RHEL 8: This is the latest version of Red Hat Linux, which was released in 2020.

Red Hat Version Updates

Red Hat regularly releases updates to the operating system, which can include new features, bug fixes, and security patches. These updates are usually released in the form of a new version of the operating system, such as RHEL 8.0 or RHEL 8.1.

Red Hat Version Compatibility

Red Hat versions are compatible with other Red Hat versions, but they may not be compatible with other operating systems. For example, Red Hat Linux 7 is not compatible with Red Hat Linux 8.

Red Hat Version Support

Red Hat provides support for its operating system versions, which includes:

• Red Hat Support: Red Hat provides support for its operating system versions, which includes online support, phone support, and on-site support.
• Red Hat Subscription: Red Hat provides a subscription service that includes access to online support, phone support, and on-site support.

Conclusion

In this article, we have explored how to find the Red Hat version on Linux. We have discussed the different methods of finding the Red Hat version, including using the uname -r command, the /etc/os-release file, and the lsb_release -a command. We have also discussed the Red Hat version format, Red Hat version numbers, Red Hat version updates, Red Hat version compatibility, and Red Hat version support.

By following these steps, you can easily find the Red Hat version on Linux and stay up-to-date with the latest features and security patches.

Table: Red Hat Version Comparison

Red Hat Version	RHEL 6	RHEL 7	RHEL 8
RHEL 6	6.4	6.5	7.0
RHEL 7	7.1	7.2	8.0
RHEL 8	8.1	8.2	9.0

Note: The Red Hat version numbers are subject to change, and the above table is for illustration purposes only.