You want to shutdown a running Mysql Server cleanly. Which three commands that are valid on either Windows or Linux will achieve this?（）

• A、Shell＞ mysqladmin –u root –p shutdown
• B、Shell＞ nmc mysql shutdown
• C、Mysql＞ STOP PROCESS mysqld
• D、Shell＞ /etc/init.d/mysql stop
• E、Shell＞ service mysql safe_exit
• F、Shell＞ pkill –u mysql mysqld_safe
• G、Shell＞ net stop mysql