chmod and chown

Hi
When working in Linux,
can anyone but root change the ownership of a file or directories?
can anyone but root and the owner of a file or directory, change the permissions by chmod?

thanks.
mehranalmasiAsked:
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m1tk4Commented:
>> can anyone but root change the ownership of a file or directories?

No. However a file owner may change it's group to one of the group he/she is a member of.

>>can anyone but root and the owner of a file or directory, change the permissions by chmod?

No.
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martinCommented:
http://www.die.net/doc/linux/man/man2/chown.2.html says: "Only the super-user may change the owner of a file." and
http://www.die.net/doc/linux/man/man2/chmod.2.html says: "The effective UID of the process must be zero or must match the owner of the file."

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