Unix - Study Mode

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[#636] ls -s prints the allocated file size in blocks.

(A) True

(B) False

Correct Answer

(A) True

[#637] . . . . . . . . command is the appropriate way to interrupt a program.

(A) kill

(B) SIGKILL

(C) INT

(D) trap

Correct Answer

(D) trap

[#638] Which process is immediately set up by the kernel when we log on to a UNIX system?

(A) shell

(B) parent

(C) bash

(D) none of the above

Correct Answer

(A) shell

[#639] In UNIX there are . . . . . . . . major types of shells.

(A) 2

(B) 3

(C) 4

(D) many

Correct Answer

(A) 2

[#640] Which of the following system call is used for closing a file?

(A) open

(B) lseek

(C) close

(D) write

Correct Answer

(C) close