This video gives an overview of the basic commands
ls, ls -F, pwd cd, cd .., cd (nothing) mkdir, rmdir rm, rm -r cp, mv, date cat, more #, whoami who, who am i, w man, clear, *arguments
Not mentioned: hidden files Every file that start with a dot (.) is considered a hidden file. To show them, use the argument -a or -A: "ls -A" or "ls -a"