[newbie] Core file, what is it?

[Gary]

Hi Group,

  I found in my home directory a rather large size file, which was not
  there previously, called "core," and the graphic of the file looks
  like a bomb, with a fuse, no joke.  I could not find any info or
  documentation on this thing. Is it safe to delete?  Just exactly
  what is it.

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Best regards,
 Gary                          mailto:[EMAIL PROTECTED]

Today's thought: Never argue with a man carrying a water buffalo.