Learner Reviews & Feedback for Intro to Operating Systems 1: Virtualization by Codio
About the Course
Top reviews
SI
May 4, 2024
I received the certificate within 1 week. but why is he not giving ?
SM
Aug 25, 2025
Good course but there are several mistakes in the quizzes and the auto-grading of programs often didn't work even though the programs were correct.
51 - 54 of 54 Reviews for Intro to Operating Systems 1: Virtualization
By Christopher U
•Oct 16, 2025
This course is less about operating system concepts and more about programming in C. It's also filled with spelling and grammatical errors. The interactive shell and IDE are very cool when they work well, but they don't always work well. The summative assessments don't fully spell out what they expect you to do; for example the last assessment doesn't tell you that it wants you to use malloc() and free(), nor does it tell you that you must check for properly-allocated memory, but you'll fail the assessment if you don't do these things. I don't recommend taking this course if you either: a) don't know C; or b) aren't interested in learning C
By Miles G
•May 28, 2024
The assessments are buggy, the slides have annoying animations that are harder to read than static diagrams, and the course uses a nonstandard interface that constantly opens new tabs and can't be used on mobile devices.
By Siddhi B
•Jul 28, 2025
Graded assessment of module 2 is very unpredictable please be aware of it
By LUIS A M P
•Jul 5, 2024
No es lo que esperaba del curso !!!