NOTE: the /helpop documentation is more up to date, use /helpop command (or /helpop ?command if you are oper) to get more information on a command.

Command	Description	Who
nick <newnickname>	Changes your online nick name. Alerts others to the change of your nick	All
whois <nick>	Displays information of user requested. Includes Full Name, Host, Channels User is in, and Oper Status	All
who <mask>	Who allows you to search for users. Masks include: nickname, #channel, hostmask (*.attbi.com)	All
whowas <nick> <maxreplys>	Displays information on a nick that has logged off. The <max replies> field is optional, and limits how many records will be returned.	All
ison <nick1 nick2 nick3 ...>	Allows you to check the online status of a user, or a list of users. Simple return, best used for scripts	All
join <channel1,channel2, ...>	Allows you to join channels. Using the /join #channel1, #channel2, channel3 will allow you to join more than one channel at a time. The /join 0 command makes you PART	All
cycle <channel1, channel2, ...>	Cycles the given channel(s). This command is equivalent to sending a PART then a JOIN command.	All
motd <server>	Displays the servers motd. Adding a server name allows you to view motd’s on other servers.	All
rules <server>	Displays the ircd.rules of a server. Adding a server name allows you to view rules on other servers	All
lusers <server>	Displays current & max user loads, both global and local. Adding a server name allows you to view rules on other servers.	All
map	Displays a network map	All
quit <reason>	Causes you to disconnect from the server. If you include a reason, it will be displayed on all channels as you quit	All
ping <user>	Sends a PING request to a user. Used for checking connection and lag. Servers issue pings on a timed basis to determine if users are still connected.	All
version <nick>	Sends a CTCP Version request to the user. If configured to do so, their client will respond with the client version.	All
links	Displays a list of all servers linked to the network	All
Admin <server>	Displays the admin info of a server. If a server name is included it will display the info of that server.	All
userhost <nick>	Displays the userhost of the nick given. Generally used for scripts	All
topic <channel> <topic>	Topic <channel> will display the current topic of the given channel. Topic <channel> <topic> will change the topic of the given channel.	All
invite <nick> <channel>	Invites the given user to the given channel. (Must be a channel Op)	ChanOp
kick <channel, channel> <user, user> <reason>	Kicks a user or users out of a channel, or channels. A reason may also be supplied.	ChanOp
away <reason>	Marks you as being away. A reason may also be supplied.	All
Watch +-<nick> +-<nick>	Watch is a new notify-type system in UnrealIRCd which is both faster and uses less network resources than any old-style notify system. The server will send you a message when any nickname in your watch list logs on or off. The watch list DOES NOT REMAIN BETWEEN SESSIONS - you (or your script or client) must add the nicknames to your watch list every time you connect to an IRC server.	All
helpop ?<topic> or !<topic>	HelpOp is a new system of getting IRC Server help. You type either /HELPOP ? <help system topic> or /HELPOP ! <question> The "?" in /HELPOP means query the help system and if you get no response you can choose '!' to send it to the Help Operators online Using neither ? nor ! will mean the command will be first queried within the help system and if no match if found , it will be forwarded to the help operators	All
list <search string>	If you don't include a search string, the default is to send you the entire unfiltered list of channels. Below are the options you can use, and what channels LIST will return when you use them. >number List channels with more than <number> people. <number List channels with less than <number> people. C>number List channels created between now and <number> minutes ago. C<number List channels created earlier than <number> minutes ago. T>number List channels whose topics are older than <number> minutes (Ie., they have not changed in the last <number> minutes. T<number List channels whose topics are newer than <number> minutes. *mask* List channels that match *mask* !*mask* List channels that do not match *mask*	All
Knock <channel> <message>	Allows you to ‘knock’ on an invite only channel and ask for access. Will not work if channel has one of the following modes set: +K +V. Will also not work if you are banned	All
setname	Allows users to change their ‘Real Name’ without reconnecting	All
vhost <login> <password>	Hides your host name by using a vhost provided by the server.	All
mode <chan/nick> <mode>	Lets you set channel and user modes. Refer to section 5 for lists of modes	All
credits	Lists credits for everyone that has helped create UnrealIRCd	All
license	Displays the GNU License	All
time <server>	Displays the servers date and time. Including a server name allows you to check other servers.	All
botmotd <server>	Displays the servers bot message of the day. Including a server name allows you to check other servers	All
identify <password>	Sends your password to the services system to identify to your nick.	All
identify <channel> <password>	Sends your password to the services system to identify as the founder of a channel.	All
dns <option>	Returns information about the IRC server's DNS cache. Note, since most clients have a built-in DNS command, you will most likely need to use /raw DNS to use this. Opers may specify an l as the first parameter to the command to receive a list of entries in the DNS cache.	All
oper <userid> <password>	Command to give a user operator status if they match an Oper Block	IRCop
wallops <message>	Sends a message to all users with umode +w	IRCop
globops <message>	Sends a message to all IRCops	IRCop
chatops <message>	Send a message to all IRCops with umode +c	IRCop
locops <message>	Sends a message to all local IRCops	IRCop
adchat <message>	Sends a message to all Admins	IRCop
nachat <message>	Sends a message to all Net Admins	IRCop
kill <nick> <reason>	Kills a user from the network	IRCop
kline +-<hostmask> <time to ban> <reason>	Bans the hostmask from the server it is issued on. It is not a global ban. Time to ban is in seconds, or you can use 1d for 1 days. If the hostmask is prefixed with a -, the kline is removed	IRCop
zline +-<ip> <time to ban> <reason>	Bans an IP Address from the local server it is issued on. Time to ban is in seconds, or you can use 1d for 1 days. If the ip is prefixed with a - then the zline is removed.	IRCop
gline +-<user@host> <time to ban> :<reason>	Adds a global ban to anyone that matches. Time to ban is in seconds, or you can use 1d for 1 days. To remove a gline, put a –user@host	IRCop
shun +-<user@host> <time to shun> :<reason>	Prevents a user from executing ANY commands and prevents them from speaking. Shuns are global (like glines). Time to shun is in seconds, or you can use 1d for 1 days. To remove a shun, put a –user@host. Setting time to 0 makes it permanent.	IRCop
gzline +-<ip> <time to ban> :<reason>	Adds a global zline. Time to ban is in seconds, or you can use 1d for 1 days. To remove a gzline, put a –user@host. Setting time to 0 makes it permanent.	IRCop
rehash <server> –<flags>	Rehashes the servers config file. Including a server name allows you to rehash a remote servers config file. Several flags are also available. They Include -motd - Only rehash all MOTD and RULES files (including tld {}) -opermotd - Only rehash the OPERMOTD file -botmotd - Only rehash the BOTMOTD file -garbage - Force garbage collection	IRCop
restart <server> <password>	Restarts the IRCD Process. Password is required. You may also include a server name to restart a remote server.	IRCop
die <password>	Terminates the IRCD Process. Password is required	IRCop
lag <server>	This command is like a Sonar or Traceroute for IRC server. You type in /LAG irc.fyremoon.net and it will reply from every server it passes with time and so on Useful for looking where lag is and optional TS future/past travels	IRCop
sethost <newhost>	Lets you change your vhost to what ever you want it to be.	IRCop
setident <newident>	Lets you set your ident to what ever you want it to be	IRCop
chghost <nick> <newhost>	Lets you change the host name of a user currently on the system	IRCop
chgident <nick> <newident>	Lets you set your ident to what ever you want it to be	IRCop
chgname <nick> <newname>	Lets you change the realname of a user currently on the system	IRCop
squit <sever>	Disconnects a server from the network	IRCop
connect <server> <port> <server>	If only one server is given, it will attempt to connect the server you are ON to the given server. If 2 servers are given, it will attempt to connect the 2 servers together. Put the hub server as the first, and the leaf server as the second.	IRCop
dccdeny <filemask> <reason>	Adds a DCCDENY for that filemask. Preventing that file from being sent.	IRCop
undccdeny <filemask>	Removes a DCCDENY	IRCop
sajoin <nick> <channel>, <channel>	Forces a user to join a channel(s). Available to services & network admins only	IRCop
sapart <nick> <channel>, <channel>	Forces a user to part a channel(s). Available to services & network admins only.	IRCop
samode <channel> <mode>	Allows Network & Services admins to change modes of a channel without having ChanOps.	IRCop
rping <servermask>	Will calculate in milliseconds the lag between servers	IRCop
trace <servermask>	Will calculate in milliseconds the lag between servers	IRCop
opermotd	Displays the servers OperMotd File	IRCop
addmotd :<text>	Will add the given text to the end of the Motd	IRCop
addomotd :<text>	Will add the given text to the end of the OperMotd	IRCop
sdesc <newdescription>	Allows server admins to change the description line of their server without restarting.	IRCop
addline <text>	Allows you to add lines to the unrealircd.conf	IRCop
mkpasswd <password>	Will encrypt a clear text password to add it to the unrealircd.conf	IRCop
tsctl offset +/- <time>	Adjust the IRCD’s Internal clock (Do NOT use if you do not understand EXACTLY what it does)	IRCop
tsctl time	Will give a TS Report	IRCop
tsctl alltime	Will give a TS Report of ALL servers	IRCop
tsctl svstime <timestamp>	Sets the TS time of all servers (Do NOT use if you do not understand EXACTLY what it does)	IRCop
htm <option>	Controls settings related to high traffic mode. High Traffic Mode (HTM) basically disables certain user commands such as: list whois who etc in response to extremely high traffic on the server. Options include: -ON Forces server into HTM -OFF Forces server out of HTM -NOISY Sets the server to notify users/admins when in goes in and out of HTM -QUIET Sets the server to NOT notify when going in and out of HTM -TO <value> Sets Traffic rate HTM activate	IRCop
stats <option>	B - banversion - Send the ban version list b - badword - Send the badwords list C - link - Send the link block list d - denylinkauto - Send the deny link (auto) block list D - denylinkall - Send the deny link (all) block list e - exceptthrottle - Send the except trottle block list E - exceptban - Send the except ban block list f - spamfilter - Send the spamfilter list F - denydcc - Send the deny dcc block list G - gline - Send the gline list   Extended flags: [+/-mrs] [mask] [reason] [setby]     m Return glines matching/not matching the specified mask     r Return glines with a reason matching/not matching the specified reason     s Return glines set by/not set by clients matching the specified name I - allow - Send the allow block list j - officialchans - Send the offical channels list K - kline - Send the ban user/ban ip/except ban block list l - linkinfo - Send link information L - linkinfoall - Send all link information M - command - Send list of how many times each command was used n - banrealname - Send the ban realname block list O - oper - Send the oper block list S - set - Send the set block list s - shun - Send the shun list   Extended flags: [+/-mrs] [mask] [reason] [setby]     m Return shuns matching/not matching the specified mask     r Return shuns with a reason matching/not matching the specified reason     s Return shuns set by/not set by clients matching the specified name P - port - Send information about ports q - sqline - Send the SQLINE list Q - bannick - Send the ban nick block list r - chanrestrict - Send the channel deny/allow block list R - usage - Send usage information t - tld - Send the tld block list T - traffic - Send traffic information u - uptime - Send the server uptime and connection count U - uline - Send the ulines block list v - denyver - Send the deny version block list V - vhost - Send the vhost block list X - notlink - Send the list of servers that are not current linked Y - class - Send the class block list z - zip - Send compression information about ziplinked servers (if compiled with ziplinks support) Z - mem - Send memory usage information	All
module	Lists all loaded modules	All
close	This command will disconnect all unknown connections from the IRC server.	IRCOp