git - how to create a file with the cmd? -

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I have a win7 machine and I use guit shell (which seems like a Windows parcel)

I am trying to follow the Lab 3 tutorial of GIT IMMERSION ( http://gitimmersion.com/lab_03.html )

I do not know how A file named Hello with the content given below. 

  puts "hello world"

Any help is appreciated. thanks a lot!

If this is powerhall, then set-content

< Pre> set-contentHello.Rbb 'puts' hello, world' "

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