[RHEL] OS Version 확인

# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.9 (Maipo)

# cat /etc/*release*
NAME="Red Hat Enterprise Linux Server"
VERSION="7.9 (Maipo)"
ID="rhel"
ID_LIKE="fedora"
VARIANT="Server"
VARIANT_ID="server"
VERSION_ID="7.9"
PRETTY_NAME="Red Hat Enterprise Linux"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:7.9:GA:server"
HOME_URL="https://www.redhat.com/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"

REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 7"
REDHAT_BUGZILLA_PRODUCT_VERSION=7.9
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="7.9"
NAME="Red Hat Enterprise Linux Server"
VERSION="7.4 (Maipo)"
ID="rhel"
ID_LIKE="fedora"
VARIANT="Server"
VARIANT_ID="server"
VERSION_ID="7.4"
PRETTY_NAME="Red Hat Enterprise Linux"
ANSI_COLOR="0;31"
CPE_NAME="cpe:/o:redhat:enterprise_linux:7.4:GA:server"
HOME_URL="https://www.redhat.com/"
BUG_REPORT_URL="https://bugzilla.redhat.com/"

REDHAT_BUGZILLA_PRODUCT="Red Hat Enterprise Linux 7"
REDHAT_BUGZILLA_PRODUCT_VERSION=7.4
REDHAT_SUPPORT_PRODUCT="Red Hat Enterprise Linux"
REDHAT_SUPPORT_PRODUCT_VERSION="7.4"
Red Hat Enterprise Linux Server release 7.9 (Maipo)
Red Hat Enterprise Linux Server release 7.9 (Maipo)
cpe:/o:redhat:enterprise_linux:7.9:ga:server

# rpm -qa | grep release
redhat-release-server-7.9-6.el7_9.x86_64

# uname -r
3.10.0-1160.83.1.el7.x86_64

#uname -a
Linux MYSERVER 3.10.0-1160.83.1.el7.x86_64 #1 SMP Mon Dec 19 10:44:06 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux

# cat /proc/version
Linux version 3.10.0-1160.83.1.el7.x86_64 (mockbuild@x86-vm-43.build.eng.bos.redhat.com) (gcc version 4.8.5 20150623 (Red Hat 4.8.5-44) (GCC) ) #1 SMP Mon Dec 19 10:44:06 UTC 2022

# getconf LONG_BIT
64