Question

To check if two files are linked to each other, we can use -ef option.

(a) True

(b) False

This question was posed to me in semester exam.

This is a very interesting question from Using test and [ ] to Evaluate Expressions in section Essential Shell Programming of Unix

Answer 1

Correct choice is (a) True

Explanation: If we have two files namely file01 and file02 and we want to check if file01 is linked with file02, we have to use -ef option with test. The syntax is file01 -ef  file02.