I am a job seeker aiming to become a backend developer. While working on a toy project, I naturally started working on AWS because of server construction and deployment, but since I had to work in a Linux environment, I needed to organize the Linux functions. Then, I came across a Linux lecture and watched it. The lecture time was not long, and the weight was appropriately distributed between frequently used and less frequently used functions, so I was able to quickly get to the core. One thing that was disappointing was that the materials were in English? Subtitles were provided and explanations were provided, so I had no trouble understanding them, but since I am Korean, I had to stop the slides every now and then to read them. I think that even people who know nothing about Linux can easily listen to the lecture, and I think that this part is not too difficult, as it briefly deals with Docker. Also, I recommend that those who are listening to the lecture try out the examples directly in the terminal. It won't stick in your head unless you try it out yourself. Recommended!