>>330673If you really want to use vim in the terminal type "vimtutor" and follow the tutorial, is very friendly. Then watch these videos (in this same order) and ignore the titles, they are going to help you immensely:
https://www.youtube.com/watch?v=wlR5gYd6um0https://www.youtube.com/watch?v=3TX3kV3TICUhttps://www.youtube.com/watch?v=XA2WjJbmmoMAs for learning C, like everything else, is a personal choice. Whatever you choose I advise you focus on one language and stick to it no matter what.
Have faith and work hard, you will only fail if you quit and that means you won't fail. Ask for advise to other programmers and read a lot of code from others.