More strictly, UNIX doesn’t have “type” in a file. They’re just a bunch of bytes. It’s up to whoever is making the file to decide if the name conveys that information or a magic number does. The other fun character set was the old UNIVAC Fielddata. There were no non printing characters and in fact not even a null value (the 0 value was called master space and printed as @). -------------- next part -------------- A non-text attachment was scrubbed... Name: smime.p7s Type: application/pkcs7-signature Size: 2284 bytes Desc: not available URL: