1. 查看CPU的物理内核
cat /proc/cpuinfo |grep "physical id"|sort |uniq|wc -l
cat /proc/cpuinfo |grep "cores"|uniq
2. 查看CPU的逻辑内核
lscpu
top +1
cat /proc/cpuinfo |grep "processor"|wc -l
3.查看内存大小
free -m
free -g
4.查看磁盘大小，加起来就是磁盘总大小
lsblk
5.查看系统版本
cat /etc/redhat-release
6.查看系统位数
file /bin/ls
