The "options" command allows you to toggle many aspects of your session. Typing "options" with no arguments will list your current settings. Here is a list of available options:

       ANSI               Auto Re-Memorization
       Auto Re-Size       Brief
       Busy               Color Communication
       Columns            Compact
       Deaf               Domains
       Email Display      Expert
       Fast Rent          Gag Arrival
       Gag Move           Infobar
       ISO 8859 1         Lines
       Noclan             Noisy Edit
       No Tell            Refuse Followers
       Refuse Items       Reply Invis
       Title              Vault Days
       Watch              Wimpy
       Yell               Ignore Mass Teleport