Linux kernel and Linux distributions systems (individual temporarily called Linux system) are two different concepts,
Compared with Windows, Linux has more efficiency, high performance, high availability, and stable, free, open source,
当前,国内大多数机房都已部署了RHEL7系统,国内外许多家银行机构,保险公司系统也纷纷上线Centos7或RHEL7系统,