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187 unfortunate case that \texttt{user2} does not cooperate or is presently |
187 unfortunate case that \texttt{user2} does not cooperate or is presently |
188 unavailable, \texttt{user1} would have to find the super user (\texttt{root}) |
188 unavailable, \texttt{user1} would have to find the super user (\texttt{root}) |
189 to clean up the situation. In Unix \texttt{root} may perform any file-system |
189 to clean up the situation. In Unix \texttt{root} may perform any file-system |
190 operation without any access control limitations.\footnote{This is the typical |
190 operation without any access control limitations.\footnote{This is the typical |
191 Unix way of handling abnormal situations: while it is easy to run into odd |
191 Unix way of handling abnormal situations: while it is easy to run into odd |
192 cases due to simplistic policies it as well quite easy to get out. There |
192 cases due to simplistic policies it is as well quite easy to get out. There |
193 are other well-known systems that make it somewhat harder to get into a fix, |
193 are other well-known systems that make it somewhat harder to get into a fix, |
194 but almost impossible to get out again!} |
194 but almost impossible to get out again!} |
195 |
195 |
196 \bigskip Is there really no other way out for \texttt{user1} in the above |
196 \bigskip Is there really no other way out for \texttt{user1} in the above |
197 situation? Experiments can only show possible ways, but never demonstrate the |
197 situation? Experiments can only show possible ways, but never demonstrate the |