exit Command in Linux

Syntax of exit Command in Linux

The basic syntax of the exit command in Linux is as follows:

Where:

• exit: This is the main command that instructs the shell to terminate.
• [n]: This optional argument signifies the exit status. If this argument is not given, the command will return the status of the last executed command.

Options in exit Command in Linux

1. No option: The exit command in Linux does not have any options or flags.

   For example -

   Output:

   This command simply terminates the current shell without returning any exit status.

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Example Usages

• Basic usage of the exit command in Linux:

  Output:

  Explanation: In this case, the exit command is used without any argument. Hence, it just terminates the shell without providing any exit status.

• Using exit command in Linux with an argument:

  Output:

  Explanation: In this example, the exit command is followed by an argument '5'. Hence, the command terminates the shell and returns an exit status of 5.

Advanced Use Cases of exit Command in Linux

• Using exit command in a bash script to terminate based on a condition:
  Output:
  Explanation: This is an example of how the exit command can be used in a script. Here, if the condition is met, the script terminates with an exit status of 1.