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Linux file ownership

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Operating Systems Linux Red Hat Linux file ownership
# 1  
Old 11-01-2010
Linux file ownership
Hi Friends,

I am using RHEL5.3 64bit. I have a data filesystem on this, which have lot of files copied from another server. I cannot see correct owner and group displayed for these servers. It shows 113 for owner and 755 for group. Anybody please tell me why it is?

Regards,
Arumon
# 2  
Old 11-01-2010
If you copied the files from another machine, where the file user owner and group owner do not exist you will see what you are describing.

The owner as 113 is the UID of the owner on another machine and 755 is the GID of that group ownership.


The "Name" of the user and group is just a map to their UID and GID. They have to exist in the /etc/passwd and /etc/group files in order for that mapping to work.
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