Unix - Study Mode

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[#271] To remove write permission from group and others, which one of the following commands will be used?

(A) chmod go+w file01

(B) chmod go-w file01

(C) chmod ug-w file01

(D) chmod a-w file01

Correct Answer

(B) chmod go-w file01

[#272] Which of the following is not a valid option of uname?

(A) -a

(B) -s

(C) -v

(D) -z

Correct Answer

(D) -z

[#273] For moving two level up in the file hierarchy system using cd command once, we separates ( . . ) by which symbol?

(A) ?

(B) $

(C) *

(D) /

Correct Answer

(D) /

[#274] -t option prints the title on the first page.

(A) True

(B) False

Correct Answer

(A) True

[#275] Which command would be most suitable to remove the following files? dirx diry dirz dirzw

(A) rm dir?

(B) rm dirx diry dirz dirzw

(C) rm *

(D) rm dir*

Correct Answer

(A) rm dir?