Unix - Study Mode
[#121] Given x=10 then, x$x$ == $x$x. The given statement is . . . . . . . .
Correct Answer
(B) False
[#122] The output of ls dir* is . . . . . . . .
Correct Answer
(B) all files in the directory having a filename starting with dir
[#123] Which one of the following is the correct syntax for performing substitution using sed?
Correct Answer
(C) sed [address]s /expr1/ expr2/ flags
[#124] Which symbol is used for repeating the last command?
Correct Answer
(C) .
[#125] What is the value returned by fork system call, when the creation of child process is unsuccessful?
Correct Answer
(B) negative integer