This memo is organized according to help files of Vim.
zz(Normal) … Redraw, line[count]at center of window (default cursor line).zl(Normal) … Move the view on the text[count]characters to the right.zL(Normal) … Move the view on the text half a screenwidth to the right.
C-f(Command-line mode) … Open the command-line window.q:(Normal) … Open the command-line window.
ga(Normal) … Print the ASCII value of the character under the cursor (Get Ascii value).
z{nr}(Normal) … Set current window height to{nr}.