Which Linux terminal command allows a user to safely change their current working directory location? MCQ with Answer and Explanation

Question
Which Linux terminal command allows a user to safely change their current working directory location?
A. chown
B. mv
C. dir
D. cd
Answer: Option D
Solution (By JKSSB Mock Tests)
The 'cd' command stands for 'change directory' and is used to switch locations across folders in CLI navigation.
This question belongs to: Computer Operating Systems
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Practice More Operating Systems Questions

Question #1
Which Windows command is used to shut down the system from the command line?
A. poweroff
B. stop
C. shutdown /s
D. exit
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Correct Answer: Option C

Explanation:
shutdown /s initiates a system shutdown; other options exist for restart or hibernate.
This question belongs to: Computer Operating Systems
Question #2
Which of the following is a type of operating system that runs on a server and provides services to clients?
A. Embedded OS
B. Server OS
C. Mobile OS
D. Desktop OS
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Correct Answer: Option B

Explanation:
Server OSes like Windows Server and Linux server distributions are optimized for hosting services and managing network resources.
This question belongs to: Computer Operating Systems
Question #3
Which security mechanism in Android keeps individual apps completely isolated from each other so they cannot access another app's data without explicit permission?
A. Overclocking
B. App Sandboxing
C. Defragmentation
D. Ahead-of-Time Compiling
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Correct Answer: Option B

Explanation:
Android leverages App Sandboxing, backed by Linux user group permissions, to run each application in an isolated environment so it cannot access other applications' operational files.
This question belongs to: Computer Operating Systems
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