The Command to View the Contents of a Variable at the Shell

question 21

Multiple Choice

The command to view the contents of a variable at the shell prompt is

• A) variablename
• B) echo variablename
• C) echo $variablename
• D) $variablename

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Definitions:

Operation Indicated

Refers to performing the mathematical operation suggested by a given problem or expression, such as addition, subtraction, multiplication, or division.

Percentage

A percentage is a way of expressing a part of a total amount as a fraction out of 100.

Collect Like Terms

In algebra, the process of combining terms that have the same variables raised to the same power to simplify an expression.

Operation Indicated

Typically refers to performing the specific mathematical operation (addition, subtraction, multiplication, division) suggested by a situation or expression.