For the sake of discussion, here's a counter argument to that. Windows is the most common desktop OS, as you note.
That means it is the one most likely to be officially supported everywhere you go. You get to your new job, you'll find a Windows box on your desk, set up by IT, configured the way they like it--and the way they want it to stay.
If you run OS X or Linux at home, and only use Windows on boxes provided and administered by someone else, why learn how to administer Windows boxes? None of us have time to become experts in every technology we encounter as users. Not knowing how to reconfigure an IP address on Windows seems no worse than not knowing how to change a spark plug on a rental car.
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For the sake of discussion, here's a counter argument to that. Windows is the most common desktop OS, as you note.
That means it is the one most likely to be officially supported everywhere you go. You get to your new job, you'll find a Windows box on your desk, set up by IT, configured the way they like it--and the way they want it to stay.
If you run OS X or Linux at home, and only use Windows on boxes provided and administered by someone else, why learn how to administer Windows boxes? None of us have time to become experts in every technology we encounter as users. Not knowing how to reconfigure an IP address on Windows seems no worse than not knowing how to change a spark plug on a rental car.