On 05/22/2013 04:48 PM, Beco wrote:
Dear users,
I'm astonished by this (maybe I'm naive and I'm missing something).
Yesterday as root I saved a file skel.bashrc in my /home/beco user,
owned by root, group root.
Today I edited it, logged as beco, and vi told me "warning, read
only!". I edited anyway, just to test, and saved with :w!
After that I checked the file and it has changed to owner beco, group
beco.
How is that possible?
Thanks,
Beco
--
Dr Beco
A.I. researcher
"Sometimes the heart sees what is invisible to the eye." (H. Jackson
Brown Jr.)
I did not know about this, and it is suprising, but ...
I have frequently used another flaw in the read-only security to get a
copy with write permission. I open a new document in a new window, and
then use my mouse to select the whole text in the window holding the
read-only original. Then I paste that text into the new, empty document.
The read-only feature of the UNIX paradigm is not a way of enforcing
intellectual property rights. It is just a way of reminding oneself to
be careful and not clobber something that one really needs to keep.
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