chgmod in linux

sudo chown -R apache:apache /var/www/example.com/public_html

Does it mean it will remove Read access for user apache and group apache ? Is it the meaning for apache:apche ?

Tks
AXISHKAsked:
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Zephyr ICTCloud ArchitectCommented:
No this will be a Recursive action, so it travels folders to set the user:group to apache:apache.

Chown changes the owner and owning group of files.
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woolmilkporcCommented:
The given command will change the user and group ownership of /var/www/example.com/public_html to user apache (the item on the left of the colon ":" ) and group apache (the item on the right of the colon).

"-R" means "recursive", so if the argument is a directory (not a regular file) the change will be applied to the directory itself and to all elements below that directory.
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woolmilkporcCommented:
In order to remove read access for user and group from this file you would have to use "chmod".

chmod ug-r /var/www/example.com/public_html

("u" = user, "g" = group, "-r" = remove read access)

To apply the change recursively to /var/www/example.com/public_html
and to all elements below (if it's a directory) add the "-R" flag, just the same way as with "chown".
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AXISHKAuthor Commented:
Tks
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