suspend – Suspend the execution of the shell

The suspend command is a built-in shell command in Linux that is used to suspend the execution of the current shell. This command is useful when you need to temporarily stop the execution of a shell script or command and return to the parent shell.

Overview

The suspend command is used to suspend the execution of the current shell. When you run this command, the shell is suspended, and you are returned to the parent shell. This is useful when you need to temporarily stop the execution of a shell script or command and return to the parent shell.

To use the suspend command, simply type the following command at the command prompt:

suspend

When you run this command, the shell will be suspended, and you will be returned to the parent shell.

Examples

Here are some examples of how to use the suspend command:

Example 1

$ vi myfile.txt

While editing the file, you realize that you need to run another command. Instead of quitting vi, you can suspend it by pressing CTRL+Z. This will suspend vi and return you to the command prompt.

Example 2

$ ./myscript.sh

While running a shell script, you realize that you need to do something else. Instead of quitting the script, you can suspend it by pressing CTRL+Z. This will suspend the script and return you to the command prompt.

Example 3

$ top

While running the top command, you realize that you need to run another command. Instead of quitting top, you can suspend it by pressing CTRL+Z. This will suspend top and return you to the command prompt.

Options

The suspend command does not have any options.

Troubleshooting tips

Here are some troubleshooting tips for the suspend command:

  • If you are unable to suspend the shell, make sure that you are pressing the correct key combination (CTRL+Z).
  • If the shell does not return to the parent shell after being suspended, try running the fg command to bring the suspended job back to the foreground.

Notes

  • The suspend command is a built-in shell command, which means that it is available in all Linux shells.
  • The suspend command is often used in conjunction with other commands, such as vi, top, and shell scripts.