zR - Open all folds
zM - Close all folds
zO - Open all folds under the cursor recursively
zC - Close all folds under the cursor recursively
zX - Undo manually opened and closed folds: re-apply 'foldlevel'.
zR - Open all folds
zM - Close all folds
zO - Open all folds under the cursor recursively
zC - Close all folds under the cursor recursively
zX - Undo manually opened and closed folds: re-apply 'foldlevel'.