Linux version Or unix version

cat /etc/oracle-release
cat /etc/redhat-release
cat /etc/os-release
lsb_release -id




lsb_release -a


[root@oragrid ~]# lsb_release -a
LSB Version:    :core-4.1-amd64:core-4.1-noarch
Distributor ID: CentOS
Description:    CentOS Linux release 8.5.2111
Release:        8.5.2111
Codename:       n/a


[root@oragrid ~]# lsb_release -d
Description:    CentOS Linux release 8.5.2111


[root@oragrid ~]# lsb_release -i -s
CentOS

[root@oragrid ~]# lsb_release -rcs
8.5.2111 n/a

[root@oragrid ~]# lsb_release -s
:core-4.1-amd64:core-4.1-noarch

[root@oragrid ~]# lsb_release -si
CentOS



[root@oragrid ~]# cat /etc/redhat-release
CentOS Linux release 8.5.2111

[root@oragrid ~]# cat /etc/os-release
NAME="CentOS Linux"
VERSION="8"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="8"
PLATFORM_ID="platform:el8"
PRETTY_NAME="CentOS Linux 8"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:8"
HOME_URL="https://centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"
CENTOS_MANTISBT_PROJECT="CentOS-8"
CENTOS_MANTISBT_PROJECT_VERSION="8"