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User and group on files un-tarred

Anony Mous
Anony Mous asked
Last Modified: 2015-03-22

I ssh'd into a server as myself and created a directory called "misc" (for example) in /usr/local/share like this:

sudo mkdir /usr/local/share/misc

Then i cd'd to the /usr/local/share/misc, then i copied a tar file from another directory to the /usr/local/share/misc directory i created.

I then ran sudo tar -xvf mytarfile.tar because the permissions on the tar file were root::root, which extracted all the files in the /usr/local/share/misc.

My question is this, why when i un-tarred the files using sudo, in the directory i created with sudo, was the ownership of every file set to user as "jsmith" (just an example of another user on the system) , and the group was set to "users"?

Why weren't all the files set to root::root or myuserid:myuserid? We are both in sudoers with the same privileges.

Thanks, this one is stumping me.
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