howto set width/height/font/fontsize of vim window

vim config for width/height/font/fontSize on MacOSX

" set the screen width and height, the same as set columns and lines
win 80 25
" columns width of the display
" set co=80
" lines number of lines in the display
" set lines=24
" For Mac OS X you can use something like this: >
set guifont=Monaco:h12