Bash Shell Scripting- First Simple Hello World Script using the echo command

The video tutorial explains the basic usage of the ECHO command in shell scripting, demonstrating how to display messages with or without quotations. It then guides viewers through creating a simple shell script named 'helloworld.sh', starting with the shebang line to specify the shell. The tutorial covers writing the script logic to display a 'Hello World' message using the ECHO command, setting execution permissions with 'chmod', and running the script from the current directory or by providing the complete path.

What is the primary function of the ECHO command in shell scripting?

• To compile code

• To create a new directory

• To execute a script

• To display a string or message

How can you display a message using the ECHO command?

• By typing 'echo' followed by the message

• By typing 'print' followed by the message

• By typing 'display' followed by the message

• By typing 'show' followed by the message

What is the effect of using single or double quotations with the ECHO command?

• It doubles the output

• It has no effect on the output

• It causes an error

• It changes the output format

What is the purpose of the shebang line in a shell script?

• To end the script

• To comment the script

• To specify the shell to execute the script

• To define variables

Which command is used to provide execution permissions to a shell script?

• chperm

• chgrp

• chown

• chmod

How can you run a shell script located in the current directory?

• By typing 'start scriptname'

• By typing 'execute scriptname'

• By typing './scriptname'

• By typing 'run scriptname'

What is the correct way to run a shell script using its complete path?

• By typing 'run /path/to/script'

• By typing '/path/to/script'

• By typing 'execute /path/to/script'

• By typing 'start /path/to/script'