For the most part the same, but .htm hails from win 3.x days because of 3 character file extension limitations, while *nix did not. https://stackoverflow.com/a

For the most part the same, but .htm hails from win 3.x days because of 3 character file extension limitations, while *nix did not. https://stackoverflow.com/a/138957 https://stackoverflow.com/a/138957