Basics

say <message>
Says <message> out loud to everyone in your current room.

pose <pose>
Displays <pose> to everyone in your current room, preceded by your name and optionally a space. Eg the command 'pose jumps for joy' produces '<your name> jumps for joy'

:<pose>
Shorthand for pose. Eg, ':jumps for joy' produces '<your name> jumps for joy'

;<pose>
As above but without a space. Eg, ';'s watch beeps' produces '<your name>'s watch beeps.'

who
Produces a list of everybody who is currently connected to the MUSH.

page <recipient>=<message>
Lets you send an OOC message to anybody who is currently connected. Eg, 'page death=Hi' will send me, Death, a message "Hi".

+help
Accesses the help database. Use +help <topic> to select a given topic on the list.