Library /sys$common/syshlp/LSE$CLIHELP.HLB

    Specifies a directory or directories to be removed from the list
    of source directories.

    Format

      SET NOSOURCE_DIRECTORY  [directory-spec [,directory-spec] . . . ]

1 – Parameter

 directory-spec [,directory-spec] . . .
    Specifies a list of directory specifications to be removed
    from the list of source directories. If you do not specify any
    parameter, LSE removes all directories from the list of source
    directories.