UNIX Files, Directories, and Permissions Challenge

Question 1

Which command shows detailed file metadata such as permissions, owner, and size when used in its common long-format form?

Accepted Answer

ls -l

Answer

pwd -l

Answer

cat -l

Answer

mkdir -l

Question 2

In a UNIX path like /usr/local/bin, what does the leading slash indicate?

Accepted Answer

An absolute path from the root directory

Answer

The current user's home directory

Answer

A path relative to the current directory

Answer

A hidden system file

Question 3

Which command is specifically intended to remove an empty directory rather than a regular file?

Accepted Answer

rmdir

Answer

touch

Answer

rm

Answer

cat

Question 4

If a user has read permission on a text file but not write permission, what can they do?

Accepted Answer

View the file's contents

Answer

Modify the file's contents

Answer

Execute the file as a program

Answer

Change the file's owner

Question 5

Which of the following is a standard UNIX file type rather than an office document category?

Accepted Answer

Character device file

Answer

Presentation file

Answer

Spreadsheet file

Answer

Workbook file

Question 6

What is the main role of a directory in UNIX?

Accepted Answer

To store files and other directories

Answer

To compile source code automatically

Answer

To manage RAM allocation

Answer

To replace file permissions

Question 7

Which command creates an empty file if the named file does not already exist?

Accepted Answer

touch

Answer

ls

Answer

pwd

Answer

rmdir

Question 8

In the permission string rwx, what does the x represent?

Accepted Answer

Execute

Answer

Extract

Answer

Expand

Answer

Exclude

Question 9

Which command is used to display the current working directory?

Accepted Answer

pwd

Answer

cd

Answer

mkdir

Answer

cat

Question 10

UNIX permissions are commonly grouped into which three classes?

Accepted Answer

User, Group, and Others

Answer

Owner, Root, and Kernel

Answer

Admin, Member, and Guest

Answer

Read, Write, and Delete

Question 11

Which command is most commonly used to change file permission bits in UNIX?

Accepted Answer

chmod

Answer

cp

Answer

chdir

Answer

ls

Question 12

If you want a quick listing of files and directories in the current location, which command is the standard choice?

Accepted Answer

ls

Answer

pwd

Answer

mkdir

Answer

touch

Question 13

Which permission is required to make changes to an existing file's contents?

Accepted Answer

Write

Answer

Read

Answer

Execute

Answer

List

Question 14

A regular file in UNIX most commonly stores which kind of content?

Accepted Answer

Ordinary data such as text or program code

Answer

Only directory indexes

Answer

Only hardware control signals

Answer

Only user account passwords

Question 15

Which symbol identifies the root directory in UNIX path notation?

Accepted Answer

/

Answer

\

Answer

#

Answer

*

Question 16

What does a permission set of rwx grant to the relevant user class?

Accepted Answer

Read, write, and execute access

Answer

Read-only access

Answer

Write and delete access only

Answer

Execute-only access

UNIX Files, Directories, and Permissions Challenge

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