CHANNEL MODE l

Usage: MODE <channel> +|-l [<limit>]
l - Limit
Limits the number of users that can be in the channel simultaneously. The limit can be set to something lower than the current user count, it only prevents new users from entering when the channel is full or overfull.
Privilege: channel operator
Examples:
/mode #movies +l 20

CHANNEL MODE L

Usage: MODE <channel> +|-L
L - Language filtering
When language filtering is enabled on the server one option is to give each channel the choice to enable this or not. Will prevent words on the filter list from reaching the channel either by the filter or censor rule as set by the administrative policy of the server.
Privilege: channel operator
Examples:
/mode #movies +L