Here's a list of some things I regret not doing in my first year in college: even though I was an enthusiastic student
Investing more time into Linux
I would have taken a Linux administration course. That would've ofc helped me a lot in my career as a software engineer. There is that one playlist on YouTube which really got my attention and always wanted to watch it but I never did. Here is the link: The Linux Basics Course: Beginner to Sysadmin, Step by Step.
competitive programming
- I would have invested more time into competitive programming (not problem-solving) and participate more in communities and go to something like ICPC, HacherRank, or any other competitive programming competitions.
Learning more about DataBases
-- not done yet --