:Lexplore opens a split window with a directory listing you can navigate. :33Lexplore opens the split with a slimmer, 33% width, window. :Lex<tab> to autocomp

:Lexplore opens a split window with a directory listing you can navigate. :33Lexplore opens the split with a slimmer, 33% width, window. :Lex<tab> to autocomplete if you do not want to type as much.