1、查看系统是64位还是32位:
getconf LONG_BIT
2、查看当前linux版本:
more /etc/redhat-release
cat /etc/redhat-release
3、查看内核版本:
uname -r
uname -a
4、查看系统安装的时候装的软件包
cat -n /root/install.log
more /root/install.log | wc -l
5、查看现在已经安装了那些软件包
rpm -qa
rpm -qa | wc -l
yum list installed | wc -l