CentOS / 버전 확인하는 방법

cat /etc/redhat-release

[root@localhost ~]# cat /etc/redhat-release
CentOS Linux release 7.4.1708 (Core)

cat /etc/*release*

[root@localhost ~]# cat /etc/*release*
CentOS Linux release 7.4.1708 (Core)
Derived from Red Hat Enterprise Linux 7.4 (Source)
NAME="CentOS Linux"
VERSION="7 (Core)"
ID="centos"
ID_LIKE="rhel fedora"
VERSION_ID="7"
PRETTY_NAME="CentOS Linux 7 (Core)"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:centos:centos:7"
HOME_URL="https://www.centos.org/"
BUG_REPORT_URL="https://bugs.centos.org/"

CENTOS_MANTISBT_PROJECT="CentOS-7"
CENTOS_MANTISBT_PROJECT_VERSION="7"
REDHAT_SUPPORT_PRODUCT="centos"
REDHAT_SUPPORT_PRODUCT_VERSION="7"

CentOS Linux release 7.4.1708 (Core)
CentOS Linux release 7.4.1708 (Core)
cpe:/o:centos:centos:7