exit command in Linux with Examples

exit command in linux is used to exit the shell where it is currently running. It takes one more parameter as [N] and exits the shell with a return of status N. If n is not provided, then it simply returns the status of last command that is executed.

Syntax:

exit [n]

Options for exit command –

  • exit: Exit Without Parameter


    After pressing enter, the terminal will simply close.

  • exit [n] : Exit With Parameter


    After pressing enter, the terminal window will close and return a status of 110. Return status is important because sometimes they can be mapped to tell error, warnings and notifications. For example generally, return status –
    “0” means the program has executed successfully.
    “1” means the program has minnor errors.

  • exit n : Using “sudo su” we are going to the root directory and then exit the root directory with a return status of 5. After returning it will show how to display the return status code.

    echo $? command is used to see the last return status.
  • exit –help : It displays help information.


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