Linux – Get More Information About OS

Below are the few commands to get information about the OS Version which you are using in Linux.

1.  The File /etc/os-release :

Linux maintains OS information in /etc/os-release file. You can display the file on screen using following command.

# cat /etc/os-release

2.  The Command – lsb_release :

The lsb_release command also provides OS information. For this command you need to install following package first and then run the command as given below.

# yum install redhat-lsb-core -y
# lsb_release -a

3.  The Command – hostnamectl :

The hostnamectl command also provides OS information as given below.

# hostnamectl

Note – All above commands are tested on CentOS 7. Other Linux flavors may provides similar commands with little modification.