查看CPU位数

getconf LONG_BIT
file /bin/ls

查看系统架构

# kpkg工具Ubuntu系统自带，CentOS需要yum install dpkg

dpkg --print-architecture // amd64
arch // 64

参考文章

https://blog.csdn.net/weixin_45048331/article/details/120440327

https://blog.csdn.net/weixin_41010198/article/details/109166131

https://blog.csdn.net/weixin_44917390/article/details/108061134