)what is meant by an ‘alias filename’?

Explanation:

An alias file is a file that contains information about the location of a particular file.The alias file points to the location of other file. The alias file is used to store the information of the location of the original file. The alias file is a small file (it requires very less memory) because it contains only the file location but nothing else. It is not a copy of the original file.

answer(a) occurs after your prediction;