But .txt is not the same as .rs; yet .txt is not the same as .docx, although both of these files look the same to the human eye.
But .txt is not the same as .rs; yet .txt is not the same as .docx, although both of these files look the same to the human eye.
Oh, and you also have files like .zip or .tar(.gz), which are used to store a compressed version of some amount of digital files. And they can different in compression techniques, how data is arranged, etc.