Yet Another NSA Problem

 
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Meanwhile, in “we already knew” land, AT&T proves exactly why big companies can’t be trusted to stand up to government bullies.

Determining Types of Files With No Extension on Linux & OS X

 
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Determining types of extensionless files on OS X and Linux

Being lazy and in a rush, I saved a download with its default name, thinking I’d remember what kind of file it was without adding an extension. Needless to say, I didn’t—but a quick search revealed a solution, and I’d suggest adding it to your toolkit. Hit up the link or run man file in your friendly local terminal emulator for more.