Library /sys$common/syshlp/pca$help.hlb APPEND, Parameters  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 file-spec

    Specifies the file to which the output from the last PLOT,
    TABULATE or LIST command will be appended. The default file
    specification is taken from the most recent FILE or APPEND
    command.