Bash Shell Scripting- Installing multiple packages with for loop and command line arguments

This tutorial covers the process of installing multiple packages using shell scripts. It explains how to implement a shell script with conditional logic and error handling, including the use of exit codes. The tutorial also demonstrates the use of for loops to automate the installation of multiple packages and how to handle command line arguments effectively.

What is the alternative package manager for Ubuntu when using 'yum' on RHEL?

• pacman

• apt-get

• dnf

• brew

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

• To set file permissions

• To declare variables

• To specify the script interpreter

• To comment the script

Why is it important to have root privileges when installing packages?

• To save disk space

• To modify system files

• To run scripts faster

• To access the internet

What does an exit status of 0 typically indicate?

• An error occurred

• The script is still running

• The script executed successfully

• The script was terminated

What should a script do if a package is already installed?

• Ignore the package

• Reinstall the package

• Skip the installation

• Uninstall the package

What command is used to check if a package is already installed?

• which

• grep

• find

• locate

How can you suppress command output in a shell script?

• Using /var/null

• Using /etc/null

• Using /dev/null

• Using /tmp/null

What is the benefit of using a loop in a shell script for package installation?

• To improve package security

• To decrease memory usage

• To increase script speed

• To reduce code repetition

What does the 'exit' command do in a shell script?

• Restarts the script

• Continues the script

• Ends the script execution

• Pauses the script

How can command line arguments be used in a shell script?

• To set environment variables

• To change the script language

• To dynamically pass package names

• To specify file permissions