A simple way to delete a record using ____ is with the -d (delete) option.
A. awk
B. sed
C. test
D. tr
Answer: B
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The volume of a rectangular ?shape is found by multiplying the length by the width by the height. A geothermal heat exchange bed needs dimensions 
ft. wide, 
ft. long, and
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Technician A says that diesel fuel in a vehicle tank can degrade when exposed to high temperatures. Technician B says that the most volatile fractions in a diesel fuel are the ones that define the CN of the fuel. Who is correct?
A. Technician A only B. Technician B only C. Both A and B D. Neither A nor B
Name the three common terminals of a typical op amp
A) V+, V-, output B) Input, output, V+ C) inverting input, non-inverting input, output D) Input, output, V-
Why are communicating systems increasing in popularity?
A) They improve system efficiency and convenience. B) They raise the cost of equipment and increase service calls. C) They can be used to replace a land-line telephone system. D) They can serve as a router for a wireless home entertainment system.