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   Linux FAQ > 8. How To Do This or Find Out That...
Question:  8.13. What Is a ``core'' File?
Answer:

A core file is created when a program terminates unexpectedly, due to a bug, or a violation of the operating system's or hardware's protection mechanisms. The operating system kills the program and creates a core file that programmers can use to figure out what went wrong. It contains a detailed description of the state that the program was in when it died.

If would like to determine what program a core file came from, use the file command, like this:

   $ file core


That will tell you the name of the program that produced the core dump. You may want to write the maintainer(s) of the program, telling them that their program dumped core.

[Eric Hanchrow]


This FAQ is from Linux Frequently Asked Questions with Answers, maintained by Robert Kiesling

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