Library /sys$common/syshlp/ncphelp.hlb SET, EXECUTOR, IDENTIFICATION string  *Conan The Librarian (sorry for the slow response - running on an old VAX)

 Specifies  a  text  string  that  describes the executor node (that
 is, "Host System").  The string can be a maximum of 32 characters.  If
 it contains blanks or tabs, you must enclose the string in quotation
 marks.