This video tutorial provides an introduction to command line basics across different operating systems, including Mac, Windows, and Linux. It covers essential commands for listing and changing directories, creating new directories, and navigating through them. Additionally, the tutorial explains how to check and manage Python versions on your system, emphasizing the importance of using Python 3. The video aims to equip learners with foundational command line skills necessary for further programming tasks.

Which command line program is typically pre-installed on Mac computers?

• PowerShell

• Terminal

• Bash

• Command Prompt

What command is used on Unix-based systems to list files in a directory?

• dir

• list

• ls

• la

How can you change directories in a command line interface?

• cd

• mv

• dir

• pwd

What command is used to create a new directory?

• newdir

• mkdir

• createdir

• makedir

Which command helps you move up one directory level?

• cd ~

• cd -

• cd /

• cd ..

How can you check the version of Python installed on your system?

• python version

• python -version

• python --version

• python -v

What should you do if your system defaults to Python 2 when you type 'python'?

• Use 'python3' instead

• Update your operating system

• Reinstall Python

• Use 'python2' instead