What does known file types actually mean? What makes a file type as a "known" file type? Can we explicitly Add/Remove extensions/types from the list of "known" file types?
Take for instance: cat /etc/passwd Why doesn't this file have an extension such as .txt, .dat, etc? Or does an extension exist, but it's just being hidden? Does this apply strictly to Unix-like ...
For some reason, I can't save .txt files on my web server. I have a text file hosted on my web server, but the ending is not .txt I was wondering what ending should I choose, so that whoever sees ...