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The command: echo $var will print the data in var if var exists, and will print nothing if var doesn't exist Group of answer choices
The command: echo $var
will print the data in var if var exists, and will print nothing if var doesn't exist
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True
False
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Making Databases Work The Pragmatic Wisdom Of Michael Stonebraker
Authors: Michael L. Brodie
1st Edition
1947487167, 978-1947487161
