1、linux 下计算md5值 [root@master yl]# md5sum CentOS-74-x86_64-1810.iso 6aab82e407bded0f611842952cd5067d CentOS-74-x86_64-xdja-v1.1.iso 2、Windows下计算md5值 certutil -hashfile CentOS-74-x86_64-1810.iso MD5 6aab82e407bded0f611842952cd5067d CentOS-74-x86_64-xdja-v1.1.iso