Tong Sun wrote:
Hi,
It never occurs to me that I am able to mess with
files that I'm not allowed
to touch, but watch this:
$ echo good > safe
$ chmod a-w safe
$ cat safe
good
$ ln safe unsafe
$ chmod a+w unsafe
$ echo bad > unsafe
$ cat safe
bad
I.e., I am able to change the content of t
Hi,
It never occurs to me that I am able to mess with
files that I'm not allowed
to touch, but watch this:
$ echo good > safe
$ chmod a-w safe
$ cat safe
good
$ ln safe unsafe
$ chmod a+w unsafe
$ echo bad > unsafe
$ cat safe
bad
I.e., I am able to change the content of the file that
is re
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