Bash Shell Scripting- Basic Steps to write and execute a shell script

The video tutorial covers executing a bash shell script, starting with logging into an Ubuntu server on AWS. It guides through creating a new user, setting up a home directory, and changing the default shell to bash. The tutorial then explains writing a bash script using a text editor, setting execution permissions, and running the script. It also demonstrates how to execute scripts without permissions using the bash command.

What is the first step in setting up a new user on an Ubuntu server?

• Create a new directory

• Update the server

• Log into the server

• Install necessary packages

Why is it necessary to manually create a home directory for a new user in Ubuntu?

• Ubuntu automatically creates it

• Ubuntu does not create it by default

• It is not necessary

• It is created during installation

What command is used to change the ownership of a directory in Linux?

• chmod

• chdir

• chown

• chgrp

Which command can be used to check the current shell assigned to a user?

• ls -l

• pwd

• echo $SHELL

• cat /etc/shells

What is a shebang line in a shell script?

• A comment line

• A line to execute a command

• A line specifying the shell to use

• A line to set permissions

What file extension is typically used for bash shell scripts?

• .script

• .bash

• .txt

• .sh

Which text editor is mentioned for writing a bash shell script?

• Vim

• Nano

• VI

• Notepad

What command is used to add execution permissions to a script?

• chmod -r

• chown +x

• chown -r

• chmod +x

How can you execute a script without execution permissions?

• Using su

• Using chmod

• Using bash followed by the script name

• Using sudo

What is the recommended way to execute a shell script?

• Using bash followed by the script name

• Using the script name directly

• Using ./ followed by the script name

• Using sudo