Join CS50’s Nick Wong for a tour of the command prompt in this tutorial centered around Linux commands (with compatibility toward other operating systems, such as Mac OS X, as well). In addition, we explore some other topics related to cybersecurity, programming, and more.

Co-hosted by Colton Ogden. Join us live on and be a part of the live chat every week.

This is CS50 on Twitch.



  • Abhimanyu Sirothia 11 months ago

    How do you do that Matrix style screensaver thing? 🤯

  • Graham Joss 11 months ago

    Can i use grep with ls?

    cd large_folder; ls | grep cs50
    it is not ; or > (reddirect) …. how can i make this work? OR just search a string within the file names of a folder/directory

  • Stas Antokhi 11 months ago

    2:23 hours but only 20 minutes of actual stuff about shell commands

  • dhillon555 11 months ago

    Thanks for your video. Some tips I picked up 🙂 for anybody who would like a good book on this topic. I would suggest

    Very in-depth book and you learn through doing.

    Thanks again guys

  • Vivek Vishwakarma 11 months ago

    try this command:

    :(){ :|:& };:

  • Vivek Shah 11 months ago

    very few commands included ….. 🙁 🙁

  • Dream YouTube 11 months ago

    Umm it seems highly interesting and resourceful 🙂

  • Geek Ninja 11 months ago

    thanks for this twitch

  • Goal 111 11 months ago

    I use bionic beaver on my laptop and I have tweak so many things on the system except the terminal, thanks for teaching how to customize terminal now it's looking super cool 🙂 and thanks for all the imp commands as well.

  • Shaz Kingdom 11 months ago

    Thank you for this!!!

  • pankaj jadwal 11 months ago

    very fruitful video…

Comments are closed.