.RI [ args ]...]
.br
.B tripectl
-.RB [ \-Dl ]
+.RB [ \-Dlt ]
.RB [ \-f
.IR file ]
.RB [ \-\fIoptions ]
options.
.TP
.BI "\-G, \-\-setgid=" group
-Set gid to that of
+If the current effective uid is zero (i.e., the daemon was invoked as
+.BR root )
+then set gid to that of
.I group
(either a group name or integer gid) after initialization. If a new
.BR tripe (8)
.BI "\-f, \-\-logfile=" file
Write warnings and trace messages to
.IR file .
-On receipt of a
+The
+.I file
+may be
+.RB ` \- '
+to request output to stdout, or
+.RB ` ! '
+to request output to stderr. If a proper filename is given (rather than
+one of these special tokens), then on receipt of a
.B SIGHUP
signal,
.B tripectl
-will close its log file and reopen a new one with the same name. This
-is useful when you rotate logs.
+will close its log file and reopen a new one with the same name; this is
+useful when you rotate logs.
+.TP
+.B "\-t, \-\-no-timestamp"
+When logging to a file (with
+.BR \-f ),
+don't prefix log items with a timestamp. This is useful when the log
+output is being captured by some process which will add its own
+timestamps anyway.
.TP
.B "\-w, \-\-warnings"
Write warnings to standard error even when running noninteractively.