Unix MCQ Questions and Answers: We provide Unix MCQ Questions and Answers, here most important quiz questions related to Unix and you can download pdf of objective questions with answers.
21) Which of the following undo a most recent single editing change?
22) __ command allows us to undo a number of changes that have been made to a single line before moving away from that line.
23) Which command is used to redo the changes made by the undo command?
24) Which symbol is used for repeating the last command?
25) Which of the following symbols are used for searching a pattern in vi?
26) ___ searches for a first instance of a pattern in forwarding direction
27) ___ searches for a first instance of a pattern in the backward direction.
28) Which command is used for repeating the search in the same direction?
29) Which command is used to reverse the direction of repeating the search?
30) Which of the following symbol is used for substitution command?