In Linux, what does the 'sudo' command do? MCQ with Answer and Explanation

Question
In Linux, what does the 'sudo' command do?
A. Switches the user to root
B. Changes the user's password
C. Allows a user to execute commands with superuser privileges
D. Shuts down the system
Answer: Option C
Solution (By JKSSB Mock Tests)
sudo (superuser do) permits authorized users to run commands as the superuser or another user.
This question belongs to: Computer Operating Systems
Request complete Subject PDF

Discuss this Question (0)

No comments yet. Be the first to start the discussion!

Practice More Operating Systems Questions

Question #1
What is the name of the central management module in Windows that controls hardware configuration and manages device updates or rollbacks?
A. Task Scheduler
B. Disk Management
C. System Configuration
D. Device Manager
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option D

Explanation:
Device Manager is a Control Panel applet in Windows that allows users to view and control the hardware attached to the computer.
This question belongs to: Computer Operating Systems
Question #2
Which Linux terminal command displays information detailing the underlying operating system kernel version and machine architecture metrics?
A. who
B. lsmod
C. uname -a
D. pwd
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
The 'uname' command equipped with the '-a' flag outputs comprehensive platform details including kernel build tags and processor architecture.
This question belongs to: Computer Operating Systems
Question #3
Which Android feature uses a special partition format to store encrypted user credentials separately from application application resources?
A. App Sandbox Permissions
B. Dalvik Cache Allocation
C. File-Based Encryption (FBE)
D. Zygote Isolation Layer
Discuss
Get Complete Subject PDF for Computer

Correct Answer: Option C

Explanation:
Modern Android installations leverage File-Based Encryption (FBE) to isolate distinct files with individual keys, securing corporate or user credentials independently.
This question belongs to: Computer Operating Systems
Explore All Operating Systems MCQs
Today's Top Topics
Programming Languages 0 Computer Hardware 430 Cyber Security 269 Computer Networking 325 Memory and Storage Devices 438
Explore Subjects
Reasoning 2064 Accountancy and Statistics 3179 Geography GK 6121 Maths 5575 Economy GK 2220
Practice Mix
The Hunter Commission was appointed to investigate which incident?
Find the missing term: 4, 9, 16, 25, ?
If 'pen' is called 'pencil', 'pencil' is called 'eraser', 'eraser' is called 'book', what is used to erase mistakes?
In Windows, which command is used to list all running services?
Which of the following is a characteristic of a good question in a questionnaire?