VMS Help RSH, Qualifiers, /LOWERCASE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

       /LOWERCASE
       /NOLOWERCASE

    Optional. Default: /LOWERCASE.

    Sends your local user name to the remote host in lowercase.

    To send your user name in uppercase, use either of the following
    ways:

    o  Specify /NOLOWERCASE.

    o  Enclose the user name in quotation marks ( " " ). (See /USER_
       NAME.)

    To send your user name in mixed case, enclose it in quotation
    marks ( " " ).