This survey question was more along the lines of "What text editor do you use: a) vi b) emacs c) Linux" In such a question, it would be perfectly reasonable to

This survey question was more along the lines of "What text editor do you use: a) vi b) emacs c) Linux" In such a question, it would be perfectly reasonable to point out that "Linux is not a text editor. Linux users may use vi, emacs, pico, sam... If you want to know if a survey respondent is a Linux user, you need to explicitly ask that question".