UNIX Files System MCQs

By: Prof. Dr. Fazal Rehman | Last updated: May 30, 2025

1. A directory file is a
(A) the directory that contains data
(B) the directory that contains data and files
(C) the directory that contains files
(D) the directory that contains the details of files and subdirectories of it

2. What is the name of each entry of the directory file that has component(s)?
(A) filename and inode number
(B) inode number
(C) filename
(D) file size

3. Which of the following can’t be used in a filename?
(A) ., %
(B) $, ^
(C) /, NULL
(D) NULL, $

4. What is the most common file type?
(A) device file
(B) directory file
(C) ordinary file
(D) ordinary file and directory file

5. What is the directory called when we log in, the UNIX places us in?
(A) parent
(B) main
(C) home
(D) current

6. What represents the root directory?
(A) \
(B) $
(C) *
(D) /

7. Files are divided into UNIX, in how many broad categories?
(A) 2
(B) 3
(C) 5
(D) 4