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Assume you want to read as input the ? le ‘passwords. txt’, change every lowercase letter to an uppercase letter and every ‘$’ to a ‘#’, then save the result back to that same ? le (overwriting it). how would you do this with the tr command? hint: use piping and ? le redirection.

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Assume you want to read as input the ? le ‘passwords. txt’, change every lowercase letter to an uppe...

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