======Overview of commands======

Commands are the way for interacting with the client. They allow various tasks
to be done - interacting with the remote server, changing client's user
interface (including, but not limited to managing [[window|windows]] and
changing [[bind|key bindings]]), [[programming|programming the client]] and
much more.

Below is a list of all of the commands grouped by the domain they operate in.

=====IRC commands=====
====Channel-related commands====
|[[invite]]|invite a person to a channel|
|[[join]]|join a channel|
|[[kick]]|forcibly remove a person from a channel|
|[[knock]]|send a message to a channel asking to invite you|
|[[me]]|perform an action sent to a channel|
|[[mode]]|change channel modes|
|[[names]]|retrieve a list of people attending a channel|
|[[part]]|leave a channel|
|[[topic]]|set achannel's topic|
|[[who]]|retrieve information about a channel or a person|

====IRC operator commands====
|[[connect_command|connect]]|link to another server|
|[[deop]]|relinquish your operator privileges|
|[[die]]|shut down your server|
|[[kill]]|forcibly remove a person from a server|
|[[oper]]|gain operator privileges|
|[[rehash]]|reload irc server's configuration file|
|[[restart]]|restart your server|
|[[squit]]|unlink another server|
|[[wallops]]|send an announcement|

====Network-specific commands====
|[[rping]]|check a round-trip-time between you and an Undernet server|
|[[servlist]]|read a list of IRCnet services|
|[[squery]]|query an IRCnet service|
|[[silence]]|add or remove a server-side ignore|
|[[uping]]|check a round-trip time between you and an Undernet server|
|[[userip]]|retrieve user's IP address on Undernet and Hybrid servers|
|[[usrip]]|retrieve user's IP address in old hybrid servers|

====Sending messages====
|[[ctcp]]|send request for information to a client|
|[[dcc]]|send or receive a file or a client-to-client chat offer|
|[[msg]]|send a message to a person or a channel|
|[[notice]]|send a notice to a person or a channel|
|[[ping]]|check a round-trip-time between you and given target|

====Network-related information====
|[[admin]]|retrieve administrative whereabouts about a server|
|[[info_command|info]]|retrieve information about an irc server|
|[[lusers]]|see how many users are connected to the network|
|[[map_command|map]]|see a topological map of connected servers|
|[[motd_command|motd]]|see the Message Of The Day|
|[[stats]]|ask a server for general purpose information|
|[[time_command|time]]|see system time of given server|
|[[trace]]|retrieve information about a route between you and specified server and provide a list of local clients|
|[[version_command|version]]|retrieve server's irc server software version|

====Other====
|[[away]]|mark yourself away|
|[[describe]]|send an action to an arbitrary target|
|[[ison]]|check whether people are online in an efficient way|
|[[links]]|retrieve a list of all servers|
|[[list]]|list all channels on a network|
|[[nick]]|change your nick|
|[[notify_command|notify]]|client interface to the /[[ison]] command|
|[[quote]]|send a raw message to an irc server|
|[[userhost_command|userhost]]|retrieve user's hostname|
|[[wallchops]]|send a message to channel's operators|
|[[whois]]|retrieve detailed information about a user|
|[[whowas]]|retrieve [[whois]] information about a user that has already left the server|

=====Programming=====
====Control flow====
|[[break]]|break out from a loop|
|[[continue]]|move to the next iteration of a loop|
|[[do]]|a loop that's executed at least once|
|[[fec]]|iterate all characters in a string|
|[[fe]]|iterate all words in a string|
|[[for]]|general purpose loop|
|[[foreach]]|iterate between items in a structure|
|[[if]]|conditional statement|
|[[repeat_command|repeat]]|repeat given command or block an arbitrary number of times|
|[[return]]|end a procedure and return a value|
|[[switch]]|conditional statement for multiple possible values|
|[[unless]]|inverse conditional statement|
|[[until]]|execute a loop until a condition is true|
|[[while]]|execute a loop as long as a condition is true|

====Debugging information====
|[[abort]]|create a core dump of EPIC process|
|[[allocdump]]|retrieve a log of all heap memory used by an EPIC process|
|[[call]]|retrieve a "stack" trace of currently executed alias|
|[[xdebug_command|xdebug]]|access undocumented debugging features|

====Functions, commands and hooks====
|[[alias_command|alias]]|create a command or a function|
|[[bind]]|assign an action to a key|
|[[hook]]|throw an [[on hook]] event|
|[[on]]|execute commands when specific event occurs|
|[[rbind]]|check which keys are bound to given command|
|[[shook]]|throw an event for /on|
|[[stub]]|create a load-on demand [[alias command|alias]] or [[assign]]|

====External scripting languages====
|[[perl_command|perl]]||
|[[ruby command|ruby]]||
|[[tcl command|tcl]]||

====Other====
|[[assign]]|assign a value to a variable|
|[[beep]]|send **%%^%%G** to the terminal|
|[[bless]]|extend the scope of a block|
|[[botmode]]|detach a client operating in "dumb mode" into the background|
|[[comment]]|insert a comment to script's source|
|[[defer]]|execute a command when the client is idle|
|[[dump]]|delete your [[alias command|alias]]es, [[assign]]s and/or [[on]]s|
|[[echo]]|echo some text to a terminal|
|[[eval]]|expand and execute a string|
|[[flush]]||
|[[input]]|display an input prompt to the user|
|[[input_char]]|display an input prompt for a single character|
|[[load]]|load a script from a file|
|[[local]]|create a local variable|
|[[package]]|"group" your [[assign]]s, [[alias command|alias]]es and similar with a common package name|
|[[parsekey]]|execute a [[bind]]-specific function|
|[[pause]]|perform a non-blocking sleep|
|[[pop_command|pop]]|remove last word of a variable|
|[[pretend]]|"pretend" some text was received from a remote server|
|[[push_command|push]]|append a word to the variable|
|[[queue]]|schedule command(s) for later execution|
|[[redirect]]|send a copy of all output to given target|
|[[say]]|send text to the current channel|
|[[send]]|send text to current channel or query|
|[[sendline]]|send a line of text as it would be typed by the user in the input prompt|
|[[shift command|shift]]|remove the first word off of a variable|
|[[sleep]]|perform a blocking sleep|
|[[stack]]|store [[alias command|aliases]], [[assign|variables]], [[on|ons]] and others in a stack|
|[[subpackage]]|create a branch in current [[package]]|
|[[timer]]|run a command or a block after some time had elapsed|
|[[type]]|simulate user keystrokes on the command line|
|[[unload]]|unload a script packaged by the [[package]] command|
|[[unshift_command|unshift]]|prepend a word to a variable|
|[[usleep]]|perform a blocking sleep for given number of microseconds|
|[[wait]]|wait for completion of a command|
|[[xecho]]|print some text with more control over where it will appear|
|[[xeval]]|execute a [[block]] in context of a window or a server|
|[[xquote]]|send raw text to an arbitrary server|
|[[xtype]]|simulare raw user keystrokes (without processing of [[bind|binds]]|

=====Commands with many subcommands=====
|[[set]]|display or set one of EPIC's internal variables|
|[[window]]|manipulate your windows|

=====Server connections=====
|[[disconnect]]|close your connection with a server|
|[[hostname]]|get or set your hostname used when connecting to a server|
|[[ircname]]|alias for [[set realname]]|
|[[reconnect]]|disconnect from a server and connect again|
|[[server]]|connect to a server|

=====Miscellanea=====
|[[bye]]|alias for /[[quit]]|
|[[cd]]|perform a chdir(2) call|
|[[channel_command|channel]]|retrieve information about a channel or [[join]] one|
|[[clear]]|clear all text from the current window|
|[[encrypt]]|maintain a list of cipher keys with users or servers|
|[[exec_command|exec]]|execute an external command|
|[[exit]]|alias for /[[quit]]|
|[[ignore]]|ignore messages from given hostmasks|
|[[lastlog_command|lastlog]]|grep through lines previously sent to your screen|
|[[license]]|read a software license for the EPIC software|
|[[log_command|log]]||
|[[mesg]]|display or set whether other system users can directly write to your terminal|
|[[note]]||
|[[query]]|start a private conversation with a person|
|[[quit]]|exit your EPIC client|
|[[setenv]]|set an environment variable|
|[[unclear]]|display text that was once [[clear|cleared]]|
|[[which_command|which]]|get a full path for a script in your [[set load path|LOAD_PATH]]|