You can use a public command by saying the following things on a channel:

• DF Command
• BOTNAME Command
• !Command

Command	Description	Flags Required
-ban	Make the bot unban a hostmask on a channel	A|o
addtopic	Add to the end of the current topic	A|o
ban	Make the bot ban a hostmask on a channel Syntax: ban host [time] [(!!)reason] | Time can be number of minutes, "perm", "def" (use channel default), or one of the presets listed below. If reason starts with !! the ban is "sticky" (stays on chan ban list, not just internal ban list) Valid Time-Presets are T1-T9 (Month is classed as 30 days) T1 -> 1 minute | T2 -> 5 minutes | T3 -> 15 minutes T4 -> 30 minutes | T5 -> 1 hour | T6 -> 1 day T7 -> 1 week | T8 -> 1 month | T9 -> 1 year (365d)	A|o
banlist	Show detailed information about channel bans	A|o
banpart	ban the last user to part Same syntax as ban, but without the host param. (Host is set to nick!*@host)	A|o
bantime	Change the default ban time. Follows the same rules as the time param for Ban	A|o
chanflags	See /msg BOT chanflags #CHANNEL help	A|m
changetopic	Changes a section of the topic (Sections are split according to the "splitter")	A|o
chanset	See /msg BOT chansset #CHANNEL help Valid settings are: plusmodes, minusmodes, flags, flood, modes, welcome	A|m
chgtopic	Changes a section of the topic (Sections are split according to the "splitter")	A|o
cleartopic	Remove the current topic	A|o
deltopic	Delete a section of the topic (Sections are split according to the "splitter")	A|o
deop	Make the bot deop you/others on a channel	A|o
inserttopic	Add a section to the middle of the topic (Sections are split according to the "splitter")	A|o
instopic	Add a section to the middle of the topic (Sections are split according to the "splitter")	A|o
key	Set/Get/Reset/Remove/force the channel key. Syntax: key [get|set|reset|remove|unset] [key] 2nd/3rd arguments are optional, will return current key if no arguments passed or is 2nd argument is "get" if 2nd arugment is "set", it will set the key to the value of the 3rd argument if 2nd arugment is "force", it will set the key to the value of the 3rd argument and prevent mode -k if 2nd argument is "reset" it will set the key to the key last set via the bot. if 2nd argument is "remove" or "unset" it will remove the key from the channel and its memory. If the 2nd arg is not one of the above, the key will be set using the 2nd argument	A|o
kick	Make the bot kick users on a channel	A|o
limit	Set/Get/Reset/Remove/Float/force the channel limit. Syntax: limit [get|set|reset|remove|unset|float|force|forcefloat] [limit] 2nd/3rd arguments are optional, will return current limit if no arguments passed or is 2nd argument is "get" if 2nd arugment is "set", it will set the limit to the value of the 3rd argument if the 2nd argument is "force" then it will do the same as set, but prevent mode -l if 2nd argument is "reset" it will set the limit to the limit last set via the bot. if 2nd argument is "remove" or "unset" it will remove the limit from the channel and its memory. if the 2nd argument is "float" then the limit will be set to current_users+float every minute if the 2nd argument is "forcefloat" then it will do the same as float, but prevent mode -l If the 2nd arg is an integer, the limit will be set using the 2nd arg	A|o
mode	Set channel modes (for permanent settings see /msg chanflags	A|o
op	Make the bot op you/others on a channel	A|o
permban	Make the bot permanently ban a hostmask on a channel Syntax: ban host [(!!)reason] If reason starts with !! the ban is "sticky" (stays on chan ban list, not just internal ban list) This is an alias for ban [host] perm [reason]	A|o
pretopic	Add before the current topic	A|o
redo	Redo the last ban	A|o
setsplitter	Set the splitter for the topic sections	A|o
splitter	Set the splitter for the topic sections	A|o
topic	Set a channel topic	A|o
topiclock	Lock the channel topic so that only Masters/Owner and Services can set it	m|m
unban	Make the bot unban a hostmask on a channel	A|o
undo	Undo the last ban	A|o