CentOS、UOS、银河麒麟等linux查看操作系统版本

CentOS 7.9.2009

# cat /etc/redhat-release
CentOS Linux release 7.9.2009 (Core)

UOS Server 20

# cat /etc/product-info
UnionTech OS Server 20 1040d 20210719 x86_64

麒麟V10 SP2

# cat /etc/.productinfo
Kylin Linux Advanced Server
release V10 (SP2) /(Sword)-x86_64-Build09/20210524