! Aware to Perl: How do I find out which operating system I'm running under?

How do I find out which operating system I'm running under?

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The $^O variable ($OSTYPE if you use English) contains the operating system that your perl binary was built for.

Source: Perl FAQ: System Interaction
Copyright: Copyright (c) 1997 Tom Christiansen and Nathan Torkington.

(Corrections, notes, and links courtesy of RocketAware.com)

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