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OpenDarwin 7.2.1 - man page for core (opendarwin section 5)

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CORE(5) 			     BSD File Formats Manual				  CORE(5)

NAME
     core -- memory image file format

SYNOPSIS
     #include <sys/param.h>

DESCRIPTION
     A small number of signals which cause abnormal termination of a process also cause a record
     of the process's in-core state to be written to disk for later examination by one of the
     available debuggers.  (See sigaction(2).)	This memory image is written to a file named by
     default core.pid in the /cores directory; provided the terminated process had write permis-
     sion in the directory, and the directory existed.

     The maximum size of a core file is limited by setrlimit(2).  Files which would be larger
     than the limit are not created.

     The core file consists of the ~ Mach-O(5) header as  described in the <mach-o/loader.h>
     file.  The remainder of the core file consists of various sections described in the
     Mach-O(5) header.

NOTE
     Core dumps are disabled by default under Darwin/Mac OS X.	To re-enable core dumps, a
     privlaged user must edit /etc/hostconfig to contain the line:

     COREDUMPS=-YES-

SEE ALSO
     gdb(1), setrlimit(2), sigaction(2), Mach-O(5), sysctl(8)

HISTORY
     A core file format appeared in Version 6 AT&T UNIX.

BSD					  March 18, 2002				      BSD
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