file is:
.PP
.RS 5
-.B header pattern action result string
+.B "header pattern action result string
.RE
.PP
.BR header :
.BR $USER ,
.BR $HOME ,
.B $SHELL
-are set appropriately, and no other environment variables exist.
+are set appropriately,
+.B $PATH
+is preserved, but no other environment variables exist.
.PP
The process is given a certain amount of time to execute. If the process
does not exit within this limit, the process will be terminated with