Question

Which of the following commands can be used to replace ‘professor’ with ‘director’ throughout the whole file?

(a) 1,$s/professor/director/g

(b) %s/professor/director/g

(c) 1,$s/professor/director

(d) 1,$s/professor/director/g and %s/professor/director/g

This question was posed to me during an online exam.

This is a very interesting question from Commands for Searching, Replacing and Substituting in Vi Editor topic in division The Vi Editor of Unix

Answer 1

The correct option is (d) 1,$s/professor/director/g and %s/professor/director/g

The explanation: We can replace 1,$ with %. It will work same as 1,$. ‘g’ flag is used for global replacement.