I have a shell script that is used both on Windows/Cygwin and Mac and Linux. It needs slightly different variables for each versions.
How can a shell/bash script detect whether it is running in Cygwin, on a Mac or in Linux?
10 Answers
Windows Subsystem for Linux did not exist when this question was asked. It gave these results in my test:
uname -s -> Linux
uname -o -> GNU/Linux
uname -r -> 4.4.0-17763-Microsoft
This means that you need uname -r to distinguish it from native Linux.
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