Unix - Study Mode

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[#116] Which command shows some attributes of a process?

(A) pid

(B) $$

(C) ps

(D) HOME

Correct Answer

(C) ps

[#117] Which of the following is an invalid command?

(A) :r file01

(B) :e file01

(C) :e#

(D) :w # file01

Correct Answer

(D) :w # file01

[#118] Every if is closed with a corresponding . . . . . . . .

(A) else

(B) fi

(C) if

(D) else if

Correct Answer

(B) fi

[#119] Which of the following system call is used for truncating a file?

(A) truncate

(B) ftruncate

(C) trunk

(D) truncate and ftruncate

Correct Answer

(D) truncate and ftruncate

[#120] The command is valid. $ ls -lRa $HOME > home.ls

(A) True

(B) False

Correct Answer

(A) True