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uname

https://www.man7.org/linux/man-pages/man1/uname.1.html

[jcluser@128T-RTR-Branch-1 ~]$ uname -a
Linux 128T-RTR-Branch-1 3.10.0-1127.18.2.el7.x86_64 #1 SMP Sun Jul 26 15:27:06 UTC 2020 x86_64 x86_64 x86_64 GNU/Linu

hostnamectl

distribution info

RH / Centos

cat /etc/os-release

Code Block

title	uname

[jcluser@128T-RTR-Branch-1 ~]$ cat /etc/os-release 
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"

ubuntu

/etc/lsb-release ( Linux Standard Base )

Versions Compared

Old Version 2

New Version 3

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