Garrett wants to search through a csv file to find all rows that have either the name John or Bob in them and display them out to the terminal. Which of the following commands could Garrett use to perform this search?

a. grep -E "(John|Bob)" salesemployees. csv
b grep -E (John|Bob) salesemployees. csv
c. egrep (John|Bob) salesemployees. csv
d. grep (John|Bob) salesemployees. csv

Assignment: permutations use the permutation formula   r ! ! n n p nr   to solve each problem. be sure to show all work leading to your answer. part i: solve real-world permutation problems choose any four (4) of the following five problems to solve. for each problem a) show how the permutation formula can be used to find the answer and b) write a sentence to explain the meaning of the answer for the situation. 1. to register for online banking services at a local credit union, you need to select a four-digit personal identification number, or pin code. the digits cannot be repeated. how many ways are there to arrange four digits out of the numerals 0 through 9 to create a code?