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What is "core.1234" ?


arthurking
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I have quite a few core.xxxx files in the /root dir. You know, the small bomb on the paper background (only if you've enabled 'view hidden files'). I'm not sure if I should delete, them try to open them (what app), or back them up to cd :jester: or what.

Could someone give a quick description as to their purpose in Linux life.

I'm assuming some software failure config file or something??

But how can I, if at all, read this file type?

And I'm guessing it's really OK to delete them on a regular basis.

 

thanks.

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They are core dump files. You usually get these whenever a program crashes due to a segmentation fault. Although there are other reasons for them.

 

You should be able to open them up with any text editor, however, the information inside the files probably won't mean much to you. Generally you just delete them. Check the permissions on the files cause you may need to delete them as root.

 

A quick way to delete all the files is by issueing the following command

 

# rm -rf core.*

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