Check the version of ubuntu Operating System

Check the version of ubuntu OS:

lsb_release -a

root@Oracle1:/home/sunny/Desktop# lsb_release -a

No LSB modules are available.

Distributor ID:	Ubuntu

Description:	Ubuntu 22.04.1 LTS

Release:	22.04

Codename:	jammy

Check version from etc config file:

root@Oracle1:/home/sunny/Desktop# cat /etc/lsb-release

DISTRIB_ID=Ubuntu

DISTRIB_RELEASE=22.04

DISTRIB_CODENAME=jammy

DISTRIB_DESCRIPTION="Ubuntu 22.04.1 LTS"

root@Oracle1:/home/sunny/Desktop# cat /etc/lsb-release | grep DESCRIPTION

DISTRIB_DESCRIPTION="Ubuntu 22.04.1 LTS"

root@Oracle1:/home/sunny/Desktop# cat /etc/*release | grep VERSION

VERSION_ID="22.04"

VERSION="22.04.1 LTS (Jammy Jellyfish)"

VERSION_CODENAME=jammy

Check version from hostnamectl command:

root@Oracle1:/home/sunny/Desktop# hostnamectl
 Static hostname: Oracle1
       Icon name: computer-vm
         Chassis: vm
      Machine ID: b6c5598602e249308757de3e3f532eeb
         Boot ID: a681895b98004f058b719307502a5a23
  Virtualization: oracle
Operating System: Ubuntu 22.04.1 LTS              
          Kernel: Linux 5.15.0-56-generic
    Architecture: x86-64
 Hardware Vendor: innotek GmbH
  Hardware Model: VirtualBox
root@Oracle1:/home/sunny/Desktop#