A.Theerrordaemonrunsintheforegroundandreadsthe\/etc\/errptfile.
B.Theerrordaemonisinvokedbytheuserwhenrequiredanditreadsthe\/usr\/lib\/errpt.
C.Theerrordaemonisinvokedwhenevertheerroroccursanditreadsthe\/usr\/lib\/errpt.
D.Theerrordaemon\/usr\/lib\/errdemonrunsinthebackgroundonmostmachinesandreadsthe\/dev\/errorspecialfile.
参考答案：D
