Which of the Following Commands Replaces Each Occurrence of 'Bob

question 162

Multiple Choice

Which of the following commands replaces each occurrence of 'bob' in the file letter with 'Bob' and writes the result to the file newletter?

• A) sed '/bob/Bob' letter > newletter
• B) sed s/bob/Bob/ letter < newletter
• C) sed 's/bob/Bob' letter > newletter
• D) sed 's/bob/Bob/g' letter > newletter
• E) sed 's/bob, Bob/' letter > newletter

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Definitions:

Economies of Scale

The economic benefits that businesses gain from their size of operations, where the expense per unit of production typically lowers as the scale increases.

Increasing Returns

A situation in which an increase in the scale of production results in a disproportionate increase in output, usually leading to lower average costs.

Suffer Losses

occurs when a business or individual incurs expenses that exceed their revenues.

Long-run

A period of time in economics during which all factors of production and costs are variable, allowing for full industry adjustment.