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 From main menu or from E-Mail: [U] allows you to search the userlog for a particular user.  You can ask for a [F]ull list or [S]earch for a user.  If you [S]earch, you will be asked for a pattern of characters to match usernames against.  Any user that has the sequence of characters that you specify in his/her username will be output.  To find a user whose name has the letters `CAT' in it, you would type `CAT' at the pattern prompt.  The results might look like this:

    AUNTIE CAT
    CAT
    CHESHIRE CAT

