What is the difference between these extensions:
- *.htm or *.html //HTML
- *.jpg or *.jpeg or *.jpe //Picture format
- *.pl or *.plx //Perl
Thanks,
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Nothing, really, except how your operating system may choose to associate them with applications. HTTP itself doesn’t even care about extensions.
Some of them are historical.
.htmstems from the DOS/Windows 3.1 days, when filenames had to be in the “8.3” format, that is, eight characters for the filename, a dot, and three (and only three) letters for the file extension.