Question

When a cycle exists, the reference count maybe non zero, even when it is no longer possible to refer to a directory or file, due to _______

(a) the possibility of one hidden reference

(b) the possibility of two hidden references

(c) the possibility of self referencing

(d) none of the mentioned

This question was addressed to me by my school principal while I was bunking the class.

The above asked question is from File System Interface Directory Structure in portion File Systems and their Implementation of Operating System

Answer 1

Right choice is (c) the possibility of self referencing

To explain: None.