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All right, time for a lab. In this lab
you are going to work with the bash shell. Modify

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your environment so that after login all users have
access to the an alias with the name ipconfig that

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runs the IP address show command. That should be
a little bit friendly for our friends the Windows users.

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A variable with the name color
that is set to the value

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red and ensure the alias
is available in subshells as well.