Linux のバージョン確認・ビット数確認

• バージョン確認 ** Ubuntu

$ cat /etc/lsb-release
DISTRIB_ID=Ubuntu
DISTRIB_RELEASE=14.04
DISTRIB_CODENAME=trusty
DISTRIB_DESCRIPTION="Ubuntu 14.04.2 LTS"

** RHEL

$ cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.1 (Maipo)

** CentOS

$ cat /etc/redhat-release
CentOS release 6.5 (Final)

• ビット数確認

$ arch
x86_64

または

$ uname -a
Linux ip-172-31-23-117 2.6.32-431.29.2.el6.x86_64 #1 SMP Tue Sep 9 21:36:05 UTC 2014 x86_64 x86_64 x86_64 GNU/Linux