/sys$common/syshlp/helplib.hlb @  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    Executes a command procedure or requests the command interpreter
    to read subsequent command input from a specific file or device.

    Format

      @  filespec [parameter[,...]]

  Additional Information (explode) :

• Parameters
• Qualifier
• Examples