Beginner

At least make Vim usable... Enjoy the pain

motion

(try not to navigate with direction keys) ← → ↑ ↓
h/j/k/l: ←/↓/↑/→
b/B: go to the start of the previous word/Word
w/W: go to the start of the following word/Word

change (normal-mode)

i: switch to insert-mode under the cursor
*yy/Y: yank(copy) a line with/without last \r
*dd/D: delete(cut) a line with/without last \r
*cc/C: change(cut and enter insert mode) a line
p/P: paste yanked or cut things under/before cursor

Insert (insert-mode)

<ECS>/Ctrl+[: back to normal mode when you done typing

Cmdline-mode

press <enter> after typing

:w: write(save) the file
:q: quit
:x: save and quit(=:wq)

Undo

u: undo
ctrl-r: redo