[no subject]

One way this could be bad is that some commands offer different 
capabilities to root and non-privileged users. A shell cannot predict 
with certainty whether it should request a privilege escalation or not 
in such a situation.

Consider the "unlink" command. This will fail if a non-privileged user 
tries to remove a non-empty directory. If root gives the same command, 
it is likely to succeed. What I've read on the subject suggests this 
can seriously damage a file system.

What should the shell do when you try to unlink a non-empty directory?

S

-- 
Stephen Cristol
cristol at emory.edu


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