se parameter1 parameter2 ...Set a value to an option with each parameter, or, if no parameter is supplied, print all options that have been changed from their defaults. For toggle options, each parameter can be phrased as option or nooption; other options can be assigned with the syntax option=value. Specify all to list current settings. The form set option? displays the value of option. See the list of set options in Chapter 8, The vi Editor.
:set nows wm=10 :set all