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Red Hat Linux Quiz Red Hat Linux

The user smith issued the egrep "^[[: upper:]]" words.txt command. What does this command do?

displays all lines in the words.txt file that begins with an uppercase letter
displays all lines in the words.txt file after translating uppercase letters to lowercase
displays all lines in the words.txt file that contains an uppercase letter
displays all lines in the words.txt file after translating lowercase letters to uppercase

Answer:
displays all lines in the words.txt file that begins with an uppercase letter

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