For example, if you're running CentOS 7, output might look like this − Static hostname: The output should display various system information, including version of CentOS or RHEL that you're running. Type following command and press Enter − hostnamectl To use hostnamectl command to check version of CentOS or RHEL that you're running, follow these steps − In addition to displaying version of operating system, hostnamectl can also display other system information such as hostname, kernel version, and architecture. The hostnamectl command is a useful tool for checking system information on CentOS or RHEL. If you're running RHEL, output might look similar, but with 'Red Hat Enterprise Linux' instead of 'CentOS Linux'. For example, if you're running CentOS 7, output might look like this − CentOS Linux release (Core)

The output should display version of CentOS or RHEL that you're running. Type following command and press Enter − cat /etc/redhat-release Open a terminal window on your CentOS or RHEL system. To check contents of /etc/redhat-release file, follow these steps − This file contains information about version of CentOS or RHEL that you're running, including release number and update level. The first method we'll cover is to check contents of /etc/redhat-release file. We'll also provide examples and step-by-step instructions for each method. In this article, we'll go over four methods you can use to check version of CentOS or RHEL that you're running.

Luckily, there are several easy ways to find out. If you're using CentOS or RHEL (Red Hat Enterprise Linux), you might be wondering how to check what version you're running.

Rhel latest release