Unix - Study Mode

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[#486] Which of the following shell(s) allows the user to run jobs in the background even when the user has logged out (without using nohup command)?

(A) C

(B) bash

(C) Korn

(D) C and bash

Correct Answer

(D) C and bash

[#487] UNIX supports preemptive multitasking.

(A) True

(B) False

Correct Answer

(A) True

[#488] We can use find command for testing files with perl.

(A) True

(B) False

Correct Answer

(A) True

[#489] wc command cannot take multiple filenames as arguments.

(A) True

(B) False

Correct Answer

(B) False

[#490] Which of the following loop statements uses do and done keyword?

(A) for

(B) while

(C) case

(D) for and while

Correct Answer

(D) for and while