Unix - Study Mode
[#671] pr command adds . . . . . . . . lines of margin at the top and bottom.
Correct Answer
(A) 5
[#672] What does the following command do? $ kill %2
Correct Answer
(B) kills the second background job
[#673] Which of the following is not a wild-card?
Correct Answer
(C) $
[#674] Which of the following functions is used for handling environment variables of a process?
Correct Answer
(D) getenv and setenv
[#675] When touch command is used without any option but with an expression, which of the following timestamps are changed?
Correct Answer
(D) modification time and last access time