Bob proposes the following implementation of syntactic names. He will first rewrite a path name syntactically to eliminate the “..”, and then resolve the rewritten path name forward from the root. Compared to the implementation of semantic path names as described in Section 2.5, what is a disadvantage of this syntactic implementation?
A. The syntactic implementation may require many more disk accesses than for semantic path names.
B. This cost of the syntactic implementation scales linearly with the number of path name components.
C. The syntactic implementation doesn’t work correctly in the presence of hard links.
D. The syntactic implementation doesn’t resolve “.” correctly in the current working directory.
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