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How can you make an environment variable available to subshells?
How are environment variables set manually?
What does $HOSTNAME conventionally hold?
How can you refer to an environment variable on a bash command line?
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How can you combine setting an environment variable and making it available to subshells into one line?
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What do environment variables provide the means to pass to programs launched from a shell or a subshell?
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How is an environment variable set manually?
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What command is used to make an environment variable available to subshells?
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What is a subshell?
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What conventionally holds the computer’s name, such as carson.example.com?
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