File Signatures Table

garykessler.net

35 pointsespeed2 comments

If you want to find out a file type on the command line there's the file command on linux/macOS:

https://linux.die.net/man/1/file

NB: the file command tries to identify file types via file sigs (magic numbers) stored in /usr/share/file/magic, for more mysterious file types or partials, you'll need to use one of the other methods.

Reply on news.ycombinator.com