To Know details about Linux OS :Oracle, PostgreSQL, MySQL and MongoDB

In this small article, we are going to see different commands to check the OS version in Linux and other details about the operating system

Here are a few files and commands that can be used

1. Command uname:

Usage uname -a

[oracle@localhost ~]$  uname -a

Linux localhost.localdomain 5.15.0-8.91.4.1.el8uek.x86_64 #2 SMP Tue Mar 7 18:28:34 PST 2023 x86_64 x86_64 x86_64 GNU/Linux

[oracle@localhost ~]$

This command displays the type of os, OS release, OS version version, hardware name, and processor type

2. Command lsb_release:

Usage:lsb_release -a

[root@localhost ~]# lsb_release -a

LSB Version:   :core-4.1-amd64:core-4.1-noarch

Distributor ID:     OracleServer

Description:   Oracle Linux Server release 8.7

Release:  8.7

Codename: n/a

[root@localhost ~]#

This command would display information including the Distributor ID, Description, OS Release, and Codename.

3. File /etc/os-release

Usage: cat /etc/os-release   or more /etc/os-release

This file contains almost all the details about the operating system

4. File /etc/issue:

Usage:  cat /etc/issue  or more /etc/issue

[root@localhost ~]# cat /etc/issue

\S

Kernel \r on an \m

[root@localhost ~]#

This command will give an idea about the kernel details of the operating system

Based on the requirement, you can use a command or file.