help/opers/umode

   1 MODE <nick> <+|-><modes>
   2
   3 Usermodes: (* designates that the umode is oper only)
   4
   5      USERMODE     DESCRIPTION
   6 -----------------------------------------------------------------
   7          +i     - Designates this client 'invisible'.
   8          +g     - "caller id" mode only allow accept clients to message you
   9          +w     - Can see oper and server wallops.
  10          +o     - Designates this client is an IRC Operator.
  11                   Use the /oper command to attain this.
  12        * +a     - Is marked as a server admin in whois.
  13        * +l     - Can see oper locops (local wallops).
  14        * +s     - Can see server notices (see /quote help snomask).
  15        * +z     - Can see operwalls.
  16          +C     - Prevents you from receiving CTCPs other than ACTION.
  17          +D     - Deaf - ignores all channel messages.
  18          +Q     - Prevents you from being affected by channel forwarding.
  19          +R     - Prevents non accept unidentified users from messaging you.
  20          +V     - Prevents you from receiving invites.
  21          +Z     - Is connected via SSL (cannot be set or unset).