How To Enable or Disable Core Dumps

By using the ulimit command in bash, the limit command in tcsh, or the
rlimit command in ksh. See the appropriate manual page for details.

This setting affects all programs run from the shell (directly or
indirectly), not the whole system.

If you wish to enable or disable core dumping for all processes by
default, you can change the default setting in linux/sched.h. Refer to
definition of INIT_TASK, and look also in linux/resource.h.

PAM support optimizes the system's environment, including the amount
of memory a user is allowed. In some distributions this parameter is
configurable in the /etc/security/limits.conf file. For more
information, refer to the Linux Administrator's Security Guide.
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