System (系统)

System Computer & System Hardware & System Installation & System Upgradation (系统硬件 & 系统安装 & 系统升级)

System User & System Privilege (系统用户 & 系统权限)

System Operation & System Setting & System Software (系统操作 & 系统设置 & 系统软件)

System Storage & System Directory & System File (系统存储 & 系统目录 & 系统文件)

System Process & System Performance (系统进程 & 系统性能)

System Network & System Security & System Log (系统网络 & 系统安全 & 系统日志)
By large category (按大类划分)
By sub category (按小类划分)