Correct option is (a) escaping
Explanation: We know that shell uses some special characters to match filenames or perform other search and replace operations. But if the filename itself contains those special characters, then it could be a great nuisance. For dealing with such files we use escaping and quoting.
Escaping means providing a backslash (\) before the wild card so that its special meaning could be removed. For example, if we want to remove a file named chap*, then using the command rm chap* will delete all the file beginning with a prefix ’chap’. In this situation, we can use the following command,