This gives a brief rundown of the muds config file parameters...

main_port - The main port number.
wiz_port  - The wizport number. This port is not affected by the max_users 
		  option.
info_port - The information port number.
max_users - Max number of users allowed to be logged on at any given moment
		  via the main port.
start_room - Rooms users start off in. 
heartbeat - Freqency in seconds at which the event functions that run things 
		  are called. 
autosave_freq - Freq. in seconds that everyones current stats are saved.
time_out - Length of time someone can idle at the login prompt.
minlogin_level - Minimum user level that can log in. If 0 then new accounts
                 can be created too.
decay_after - Time taken for corpses to decay.
autofight_timeout - Time after which npc/user will no longer automatically
				attack their last foe.
ignore_sigterm - If YES then SIGTERMs will be noted but ignored.
password_echo  - If YES then passwords will be echoed at login.
dos_newline    - If YES then every \n will be appended with \r for DOS and
			  windows users.
logging_on     - If YES then stuff is written to the system log.
start_ilr      - If YES then users upon logging in are placed in the room they
			  were last in in their last session.
crash_recovery  - If YES then the mud sill attempt to recover from a crash. This
			   isn't guaranteed to work.
events_running  - If YES then mud will start all the events after booting.
