Operating system commands

Command 1 for operating system use. In the cmd command window, run SC delete [service name]. For example, when you uninstall mysql, if you do not restart the service, you may also see the MySQL service name in the service. You can execute SC delete mysql in the cmd command window without restarting. This makes it easy to reinstall mysql. 2. Open the registration Editor, select "run" from the Start menu, and enter "regedit" to open the Registry Editor. 3. Use ssh to connect to remote Linux. First, configure ssh. After configuration, enter the authentication information to connect to Linux. After the connection, it is found that the login user is not the root user by default. Switch to the root user, enter the su command, and then enter the root user password to switch to the root user. For Deletion of files in folders and folders, rm-rf [Folder name]. 4. Install GGhost on the backup Window 7 system, start and select backup C:. Click this button and wait until the backup is complete.