what is /proc/kcore file for?

Asked by SebastianIvan on 2007-04-21

Hello
 I need to know the usage of the file /proc/kcore
 is on my system and using 2GB

root@amd64:/# du -h /proc/kcore
2.0G /proc/kcore
root@amd64:/# file /proc/kcore
/proc/kcore: regular file, no read permission
root@amd64:/# ls -al /proc/kcore
-r-------- 1 root root 2147422208 2007-04-21 13:16 /proc/kcore
root@amd64:/# less /proc/kcore
/proc/kcore: Operation not permitted
root@amd64:/# fuser /proc/kcore
root@amd64:/# ls /proc

I am using Ubuntu Edgy on a AMD64 arch
Thank you and Regards

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coreutils Edit question
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Solved by:
Ralph Janke
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Best Ralph Janke (txwikinger) said :
#1

Thanks for your question.

I think this website is a good description of kcore and probably answers your question:

http://www.unixguide.net/linux/faq/04.16.shtml

I hope this helps.

Revision history for this message
SebastianIvan (sebastian-ivan-ubuntu) said :
#2

Thanks txwikinger, that solved my question.