The core file consists of the
.Pa Xr Mach-O 5
header as described in the
-.Aq Pa sys/loader.h
+.Aq Pa mach-o/loader.h
file.
The remainder of the core
file consists of various sections described in the
.Xr Mach-O 5
header.
+.Sh NOTE
+Core dumps are disabled by default under Darwin/Mac OS X. To re-enable core dumps, a
+privlaged user must edit
+.Pa /etc/hostconfig
+to contain the line:
+.Bd -literal
+COREDUMPS=-YES-
+.Ed
.Sh SEE ALSO
.Xr gdb 1 ,
.Xr setrlimit 2 ,
.Xr sigaction 2 ,
-.Xr Mach-O 5,
+.Xr Mach-O 5 ,
.Xr sysctl 8
.Sh HISTORY
A