How to detect the OS from a Bash script?...

OS detecting makefile...

How to detect Android OS from a Python script?...

How to detect reliably Mac OS X, iOS, Linux, Windows in C preprocessor?...

Makefile that distinguishes between Windows and Unix-like systems...

Is there a way to detect OS in fish shell akin to the OSTYPE variable in bash?...

Where does the OS take the value for $OSTYPE...

How to detect Mac OS X version using C preprocessor?...

tell if make is running on windows or linux...

Is OS detection possible with GLib?...

JavaScript to detect OS in Chrome Version 37.0.2062.94...

How to check website viewer's operating system?...

Operating sytem detection for CSS hacks (aka need a "PC only" CSS hack)...

Show or Hide Div based on OS...