Attributes you can set are:

show : show the current attributes setting
gender : sets your gender (male, female, or neuter)
age : set your age for people to see
email : enter your email address
www : enter your homepage address
hide : makes your email visible to only you and the law, or everyone (toggle)
wrap : sets screen wrap to be on or off (toggle)
pager : sets how many lines per page of the pager you get
colour : display in colour or not (toggle)
room : lets you log back into the room you left from, if public (toggle)
autofwd : lets you receive smails via your email address.
password : lets you see your password when entering it at the login (toggle)
rdesc : lets you ignore room descriptions (toggle)
command : displays the command lisiting differently (toggle)
recap : allows you to have caps in your name
icq : allows you to put in your ICQ number
alert : lets you know when someone in your friends list logs on (toggle)
revbuf : lets you reverse the viewing of your review buffers (toggle)
style : lets you choose your style: ds, gor, zoo or kinky
role : lets you pick your role: dom/me, free, sub/slave/slut, switch, vanilla
pref : lets you set your sexual preference

Usage: .set setting value