mysql - on windows or linux computer to restart and shut down services

1 under the command .Windows

Start Services: mysqld - Console　　               or net start mysql　　
 

close the service: mysqladmin - -uroot -p shudown or STOP MySQL NET　　
  
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2 under the command .Linux

Start the service: service mysql start　　　

Close Services: service mysql stop　　
 
restart service: service restart stop