Bash Shell Scripting- How to handle the command line arguments

The video tutorial explains how to create and enhance a shell script to manage services using systemctl. It covers input methods, including read commands and command line arguments, and demonstrates how to add functionality for starting, stopping, and restarting services. The tutorial also emphasizes the importance of handling command line arguments properly to ensure the script runs smoothly.

What are the two ways to provide input to a shell script as mentioned in the video?

• Using a GUI and command line arguments

• Using environment variables and read command

• Using a configuration file and environment variables

• Using read command and command line arguments

What command is used to check the status of a service in the shell script example?

• service status

• systemctl status

• status check

• service check

In the shell script, what variable is used to store the service name entered by the user?

• name_service

• input_service

• service_name

• service_input

What additional actions can the modified shell script perform besides checking status?

• Backup and restore

• Enable and disable

• Start, stop, and restart

• Install and uninstall

Why is 'sudo' used in the shell script when performing certain actions?

• To provide root privileges

• To execute commands as a different user

• To enhance script performance

• To log actions

What is the purpose of using command line arguments in the shell script?

• To avoid using the read command

• To make the script more interactive

• To increase script security

• To reduce script execution time

What does the variable '$#' represent in a shell script?

• The script name

• The number of command line arguments

• The current user

• The current directory

What should be done if the number of command line arguments is not equal to two?

• Ignore the input

• Display a usage message and exit

• Log an error

• Continue execution

What is the purpose of providing usage instructions in a shell script?

• To increase script security

• To log script execution

• To guide users on how to run the script

• To enhance script performance

Which of the following is NOT a valid action mentioned for the shell script?

• Stop

• Restart

• Install

• Start