Unix - Study Mode
[#796] What does the following command do? cancel prl-320
Correct Answer
(C) cancel printing job number 320 on printer name 'prl'
[#797] If a variable is undefined, its value is . . . . . . . .
Correct Answer
(A) 0
[#798] What is the symbolic constant for errno 2?
Correct Answer
(B) ENDENT
[#799] Which option is used for sorting a file according to primary key?
Correct Answer
(B) -k
[#800] The following command will produce an error. $ cut -d "|" -f 1,4 emp.lst
Correct Answer
(B) False