The Command Dbmaint & Was Used to Run Dbmaint in the Background

question 94

Multiple Choice

The command dbmaint & was used to run dbmaint in the background. However, is terminated after logging out of the system. Which alternative invocation lets continue to run even when the user running the program logs out?

• A) job -b dmaint
• B) dbmaint &>/dev/pts/null
• C) nohup dbmaint &
• D) bg dbmaint
• E) wait dbmaint

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Definitions:

Oligopoly

A market structure characterized by a small number of firms controlling a large share of the market, leading to limited competition.

Concentration Ratios

Statistical measures used to evaluate the degree of competition within markets by analyzing the market share of the largest firms.

Concentrated Industry

An industry characterized by a small number of large firms that have a significant market share, leading to reduced competition.

Herfindahl-Hirschman Index

A measure used to assess the level of competition within an industry, calculated by squaring the market share of each firm competing in the market and then summing the resulting numbers.