UGC-NET | UGC NET CS 2015 Dec – III | Question 40

In Unix operating system, special files are used to:
(A) buffer data received in its input from where a process reads

(B) provide a mechanism to map physical device to file names
(C) store list of file names plus pointers associated with i-nodes
(D) store information entered by a user application program or utility program


Answer: (B)

Explanation: In Unix operating system, special files are used to provide a mechanism to map physical device to file names.
For more information on Unix file system Refer:Operating System | Unix File System
Option (B) is correct.

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