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Aucbvax.4153 fa.unix-wizards utzoo!decvax!ucbvax!network Thu Oct 1 11:40:55 1981 at Berkeley Subject: Re: bug related to mounted file systems and .. Via: Ucb-C70.ArpaNet; 30 Sep 81 14:35-PDT

In-real-life: Steven M. Bellovin

Bill Shannon's second bug is not confined to mounted file systems; it is not possible to do a pwd from any directory where something up (down?) the tree from it is not readable by the user attempting the pwd. We have that problem here with uucp, since /usr/lib/uucp is searchable but not readable (which we probably should change....). I've heard this touted as a feature, though, to prevent certain kinds of snooping by users who are dying to learn about home directories. Why they couldn't just read /etc/passwd was never made entirely clear.

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