Searching in a list can be made more efficient if the list has a rear pointer.

Answer the following statements true (T) or false (F)

1. In a time-sharing computer, the processor executes user programs in sequence, completing the execution of one program before beginning the next one. 2. On an Ethernet network, computer A can send a message directly to computer B, without any other computer on the network receiving that message. 3. When developing large software projects, it generally takes more time to develop the code than it does to test and maintain it. 4. The Turing Test was proposed by Alan Turing as a means of determining whether an artificially intelligent machine has been constructed. 5. According to the Code of Ethics proposed by the Association for Computing Machinery (ACM), a computer professional is responsible for understanding the potential impact of his or her work and for striving to minimize risks to the public.

Which of the following utilities was native to the Linux operating system and can be used to do string searches across multiple directories?

a. GREP b. DD c. LIST d. STRINGS