%S [&lt;channel&gt;] [(+|-)&lt;new mode&gt; [&lt;parameter&gt;][,&lt;parameter&gt;]*]: Get, set, or unset a channel mode.
%S [&lt;abadu&gt;] [(+|-)&lt;askar amaynut&gt; [&lt;iγewaṛen&gt;][,&lt;iγewwaṛen&gt;]*]: Sbadu neɣ kkes asbadu n ubadu n useqdac.