Minimal .vimrc
Have you ever SSHed to a remote machine, lunched Vim and it was not usable? If yes, you can memorize these few lines of config and make Vim be usable.
Note
Minimum list of useful bash shortcuts
I often end up googling "bash shortcuts" and every result lists a huge list of shortcuts available in bash, some of them are overridden by other utils or by your terminal itself, some of them are not that helpful. I compiled the minimal list of shortcuts and commands which can increase your productivity in bash.