Set some reasonable defaults. Not suitable for upstream.

--- sys/unix/sysconf 2015-12-07 00:26:01.000000000 -0800

+++ sys/unix/sysconf 2016-04-14 18:33:58.537973707 -0700

@@ -28,14 +28,14 @@

# occasionally get stuck outside the game by accidentally typing '!' or

# '^Z' during play and not knowing how to go back.)

# Uses the same syntax as the WIZARDS and EXPLORERS options above.

-#SHELLERS=

+SHELLERS=*

# Limit the number of simultaneous games (see also nethack.sh).

-MAXPLAYERS=10

+MAXPLAYERS=25

# If not null, added to string "To get local support, " in the support

# information help.

-#SUPPORT=call Izchak at extension 42.

+SUPPORT=call Izchak at extension 42.

# If not null, displayed at the end of a panic-save sequence.

#RECOVER=Run the recover program.

@@ -51,14 +51,14 @@

# CAUTION: changing these after people have started playing games can

# lead to lost high scores!

# Maximum entries for one person.

-#PERSMAX=10

+PERSMAX=100

# Maximum entries in the record file.

-#ENTRYMAX=100

+ENTRYMAX=1000

# Minimum points to get an entry.

#POINTSMIN=1

# Determine identity of "person" in the score file with name (0) or

# numeric (1) user id.

-#PERS_IS_UID=1

+PERS_IS_UID=0

# Maximum number of score file entries to use for random statue names

#MAX_STATUENAME_RANK=10