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:

Productivity Measurement

The process of quantifying the efficiency and effectiveness of production.

Precise Units

Measurement or quantities described with accuracy and exactness, often in the context of manufacturing or science.

Workforce Size

The total number of employees, both full time and part time, engaged in an organization or available in the market.

Equipment Used

Equipment used refers to the tools, machinery, and devices employed in the execution of a specific task or operation.