VMS Help Lexicals, F$USER  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Returns the current user identification code (UIC) in named
    format as a character string. The F$USER function has no
    arguments, but must be followed by parentheses.

    Format

      F$USER()

1 - Return Value

    A character string containing the current UIC, including brackets
    ([ ]).  The UIC is returned in the format [group-identifier,
    member-identifier].

2 - Example

  $ UIC = F$USER()
  $ SHOW SYMBOL UIC
    UIC = "[GROUP6,JENNIFER]"

      In this example, the F$USER function returns the current user
      identification code and assigns it to the symbol UIC.