show

SHOW  -  display values of customization variables and mail aliases

Usage:  SHOW [variable-or-mail-alias]

The SHOW command displays the current values of customization variables 
  and mail aliases, the items you can change with the SET and DEFINE 
  commands.  If you have changed them, or are considering changing
  them, SHOW will inform you of the current values.

All the information is in the file .mminit, which you can also look at 
  with an editor.

Examples:
    Read>show			#shows all variables and mail aliases
    Read>show user-level	#variable: shows the current value
    Read>show pals		#mail alias: shows what it stands for

For more help type "help" and one of these topics:
   define   set   customization