Library /sys$common/syshlp/tracehlp.hlb START, /REVERSE  *Conan The Librarian (sorry for the slow response - running on an old VAX)

    /[NO]REVERSE

    Determines whether parts of the output will be displayed in REVERSE
    video  (if  your  terminal supports this).  If you specify /REVERSE
    received data will be displayed in reverse video, and  titles  will
    be displayed in bold.

    The default is /REVERSE.

    Only valid with /LIVE qualifier.