I've always tried learning from books or... when I enthusiastically started studying to get certifications like Linux Master... I would memorize commands, learn the meaning of each option one by one, and try to match them, but most of the time I'd get tired and give up.. But you directly taught us the commonly used commands and immediately showed us how they're used, so I understood everything perfectly!! You really seem to have a talent for teaching... I think anyone who takes your lectures could get hired as a developer right away!! I used to always be nervous like a scaredy-cat when typing Linux commands, but now I feel like I can use them comfortably. Thank you😭😭