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Linux MCQs

Assume the variable myNumber holds a string consisting of 10 digits. What will this command output? echo \$myNumber | sed -e 's/^[[:digit:]][[:digit:]][[:digit:]]/(&)/g'

It will only match digits—and since the string has only digits, the command will output the same number without changes.

It will output the same 10-digit number, but every digit will be inside parentheses.

It will output the entire 10-digit number inside parentheses.

It will output the same 10-digit number, but the first 3 digits will be inside parentheses.

Answer

Correct Answer: It will output the same 10-digit number, but the first 3 digits will be inside parentheses.

Explanation:

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