Vim cheatsheet

Copyzf{motion} or {Visual}zf #Operator to create a fold.
zf'a # fold to mark
zF :Create a fold for N lines.
zd :Delete one fold at the cursor.
zD :Delete folds recursively at the cursor.
zE :Eliminate all folds in the window.
zo :Open one fold.
zO :Open all folds recursively.
zc :Close one fold.
zC :Close all folds recursively.
za :When on a closed fold: open it.and vice-versa.
zA :When on a closed fold: open it recursively.and vice-versa.
zR :Open all folds.
zM :Close all folds:
zn :Fold none: reset 'foldenable'. All folds will be open.
zN :Fold normal: set 'foldenable'. All folds will be as they were before.
zi :Invert 'foldenable'.

[z :Move to the start of the current open fold.
]z :Move to the end of the current open fold.
zj :Move downwards. to the start of the next fold.
zk :Move upwards to the end of the previous fold.