Configuration
@config parameters
Many of the mush’s run-time options can be set from the game by wizards, using @config/set <option>=<new value>. Those that can be set with visible changes are listed below, grouped by category. See @config 
Categories:
- Attribs
 - Chat
 - Cmds
 - Cosmetic
 - Costs
 - Db
 - Dump
 - Flags
 - Funcs
 - Limits
 - Log
 - Net
 - Tiny
 
The categories and groups are the same as those used by @config/list. Values must be of the listed type for each option. They include: 
Options which take a  will accept either a number of seconds or a combination of numbers followed by ‘s’ for seconds, ‘m’ for minutes or ‘h’ for hours, making 1h30m and 5400 equivalent.
@config attribs
These options control some attribute behavior.
adestroy=<boolean>: Is the @adestroy attribute used?amail=<boolean>: Is the @amail attribute used?player_listen=<boolean>: Is @listen checked on players?player_ahear=<boolean>: Is @ahear triggered on players?startups=<boolean>: Are @startup triggered at restart?room_connects=<boolean>: Are @aconnect and @adisconnect triggered on rooms?read_remote_desc=<boolean>: Can anyone remotely retrieve @descs?empty_attrs=<boolean>: Can attributes be set to an empty string?reverse_shs=<boolean>: Reverse the endedness of the shs password encryption? (Warning: Playing with this will break logins)
@config chat
These options control chat system settings.
chan_cost=<number>: How many pennies a channel costs to create.max_channels=<number>: How many channels can exist total.max_player_chans=<number>: How many channels can each non-admin player create? If 0, mortals cannot create channels.noisy_cemit=<boolean>: Is @cemit/noisy the default?chan_title_len=<number>: How long can @channel/title’s be?use_muxcomm=<boolean>: Enable MUX-style channel aliases? See muxcomsyschat_token_alias=<character>: A single character that can be used as well as + for talking on channels (+) 
@config cmds
These options affect command behavior.
noisy_whisper=<boolean>: Does whisper default to whisper/noisy?possessive_get=<boolean>: Does “get container’s object” work?possessive_get_d=<boolean>: Does it work on disconnected players?link_to_object=<boolean>: Can exits have objects as their destination?owner_queues=<boolean>: Are command queues kept per-owner, or per-object?full_invis=<boolean>: Should say by a dark player show up as ‘Someone says,’?wiz_noaenter=<boolean>: If yes, dark players don’t trigger @aenters.really_safe=<boolean>: Does SAFE prevent @nuking?destroy_possessions=<boolean>: When a player is destroyed, are their objects as well?
@config cosmetic
These are cosmetic options of various sorts.
money_singular=<string>: What is one penny called?money_plural=<string>: What are many pennies called?player_name_spaces=<boolean>: Can player names have spaces in them?ansi_names=<boolean>: Are names in look hilighted?monikers=<list>: Where should @monikers be displayed? See monikersfloat_precision=<numbers>: How many digits after the decimal point in floating point numbers are kept when formatting the result of a floating point function?comma_exit_list=<boolean>: Do exits show up like North, East, and West or as North East West?count_all=<boolean>: Does the count of connected players in WHO include hidden connections for mortals?
@config cosmetic2
More cosmetic options.
page_aliases=<boolean>: Are aliases included in page listings? For example, Foo(F) pages: Blahflags_on_examine=<boolean>: Are flag names included when examining objects?ex_public_attribs=<boolean>: Show visual attributes when examining objects you don’t control?wizwall_prefix=<string>: Prefix for @wizwall messages.rwall_prefix=<string>: Prefix for @rwall messages.wall_prefix=<string>: Prefix for @wall messages.announce_connects=<boolean>: Should (dis)connects be announced to non-HEAR_CONNECT players and to channels?chat_strip_quote=<boolean>: Does +chan “foo strip the ”?newline_one_char=<boolean>: Is strlen(%r) equal to 1?only_ascii_in_names=<boolean>: Names are ascii-only or are extended characters permitted?
@config costs
These options control how many pennies various things cost.
object_cost=<number>: How many pennies it costs to create an object.exit_cost=<number>: How many pennies it costs to create an exit.link_cost=<number>: How many pennies it costs to use @link.room_cost=<number>: How many pennies it costs to @dig a room.queue_cost=<number>: How many pennies it costs to queue a command. Refunded when the command executes.quota_cost=<number>: How much @quota goes down by for each object.find_cost=<number>: How many pennies it costs to use @search, @find, @entrances, and their function versions.
@config db
These are database options.
player_start=<dbref>: What room newly created players are in.master_room=<dbref>: The location of the master room.ancestor_room=<dbref>: If set to a good object, this is considered a global parent for all rooms. If -1 or a nonexistant object, then disabled.ancestor_exit=<dbref>: As ancestor_room for exits.ancestor_thing=<dbref>: As ancestor_room for things.ancestor_player=<dbref>: As ancestor_room for players.base_room=<dbref>: The starting room used to determine if other rooms are disconnected.default_home=<dbref>: The room to send things to when they’re homeless.exits_connect_rooms=<boolean>: Is a room with any exit at all in not considered disconnected for FLOATING checks?zone_control_zmp_only=<boolean>: Do we only perform control checks on ZMPs, or do we check ZMOs and ZMRs too?
@config dump
These options affect database saves and other periodic checks.
forking_dump=<boolean>: Does the game clone itself and save in the copy, or just pause while the save happens?dump_message=<string>: Notification message for a database save.dump_complete=<string>: Notification message for the end of a save.dump_warning_1min=<string>: Notification one minute before a save.dump_warning_5min=<string>: Notification five minutes before a save.dump_interval=<time>: Seconds between database saves.warn_interval=<time>: Seconds between automatic @wchecks.purge_interval=<time>: Seconds between automatic @purges.dbck_interval=<time>: Seconds between automatic @dbcks.
@config flags
These options set the default flags for newly-created objects and channels.
player_flags=<string>: List of flags to set on newly created playersroom_flags=<string>: List of flags to set on newly created roomsthing_flags=<string>: List of flags to set on newly created thingsexit_flags=<string>: List of flags to set on newly created exitschannel_flags=<string>: List of flags to set on newly created channels
@config funcs
These options affect the behavior of some functions.
safer_ufun=<boolean>: Are objects stopped from evaluting attributes on objects with more privileges than themselves?function_side_effects=<boolean>: Are function side effects (functions which alter the database) allowed?
@config limits
Limits and other constants.
max_dbref=<dbref>: The highest dbref an object can have. If 0, there is no limit on database size.max_attrs_per_obj=<number>: The maximum attributes an object can have.max_logins=<number>: The maximum number of connected players.max_guests=<number>: The maximum number of connected guests. If 0, no limit. If -1, limited by the number of guest players in the db.max_named_qregs=<number>: The maximum number of qregs except for a-z and 0-9. The limit is per-localize()-call.connect_fail_limit=<count>: The maximum number of times in a 10 minute period that an IP can attempt to log in and fail. Maximum is 50, 0 means no limit.idle_timeout=<time>: The number of minutes a connection can be idle before getting booted. 0 means no limit.unconnected_idle_timeout=<time>: The number of minutes a connection can be sitting at the login screen before getting booted. 0 means no limit.
See @config limits2
@config limits2
Limits and constants, continued.
whisper_loudness=<number>: The percentage chance of a whisper/noisy being heard.starting_quota=<number>: How much quota new players get.starting_money=<number>: How many pennies new players get.paycheck=<number>: How many pennies players get each day they log on.max_pennies=<number>: The maximum pennies an object can have.mail_limit=<number>: How many @mail messages someone can have.max_depth=<number>: How deep indirect @lock chains can go.player_queue_limit=<number>: The number of commands a player can have queued at once.queue_loss=<number>: One intimes, queuing a command will cost an extra penny that doesn’t get refunded. queue_chunk=<number>: How many queued commands get executed in a row before checking for network activity.
See @config limits3
@config limits3
Limits and constants, continued.
function_recursion_limit=<number>: The depth to which softcode functions can call more functions.function_invocation_limit=<number>: The maximum number of softcode functions that can be called in one command.guest_paycheck=<number>: How many pennies guests get each day.max_guest_pennies=<number>: The maximum pennies a guest can have.player_name_len=<number>: The maximum length of a player name.queue_entry_cpu_time=<number>: The maximum number of milliseconds a queue entry can take to run.use_quota=<boolean>: Controls if quotas are used to limit the number of objects a player can own.
See @config limits4
@config limits4
Limits and constants, continued.
max_aliases=<number>: The maximum number of aliases a player can have.keepalive_timeout=<time>: How often should an ‘Are you still there?’ query be sent to clients, to stop players’ routers booting idle connections?max_parents=<number>: The maximum number of levels of parenting allowed.call_limit=<number>: The maximum number of times the parser can be called recursively for any one expression.chunk_migrate=<number>: Maximum number of attributes that can be moved to disk cache per second.
@config log
These options affect logging.
log_commands=<boolean>: Are all commands logged?log_forces=<boolean>: Are @forces of wizard objects logged?
@config net
Networking and connection-related options.
mud_name=<string>: The name of the mush for mudname() and @version and the like.mud_url=<string>: If this is set, the welcome message for the mush is bracketed in for all clients, and web browsers are redirected to the url described in mud_url.http_handler=<dbref/number>: If this is set, support HTTP requests to MUSH port.http_per_second=<number>: If this is set, limit HTTP requests allowed per second.use_dns=<boolean>: Are IP addresses resolved into hostnames?logins=<boolean>: Are mortal logins enabled?player_creation=<boolean>: Can CREATE be used from the login screen?guests=<boolean>: Are guest logins allowed?pueblo=<boolean>: Is Pueblo support turned on?sql_platform=<string>: What kind of SQL server are we using? (“mysql”, “postgreql”, “sqlite” or “disabled”)sql_host=<string>: What is the hostname or ip address of the SQL serverssl_require_client_cert=<boolean>: Are client certificates verified in SSL connections?
@config tiny
Options that help control compability with TinyMUSH servers.
null_eq_zero=<boolean>: Is a null string where a number is expected considered a 0?tiny_booleans=<boolean>: Use Tiny-style boolean values where only non-zero numbers are true.tiny_trim_fun=<boolean>: Are the second and third arguments to trim() reversed?tiny_math=<boolean>: Is a string where a number is expected considered a 0?silent_pemit=<boolean>: Does @pemit default to @pemit/silent?