Which file is used to determine which tty devices the root user is allowed to log in to?
a. /var/securetty
b. /home/securetty
c. /usr/securetty
d. /etc/securetty?

Look at the circuit illustrated in the figure above. assume that the values of r1 and r2 are equal. if you connect your meter’s test probes to points a and b in the circuit, which of the following voltages would you measure

Write a program that inserts the digits of an integer into an array in originalorderfollowed by reverse order. first, promptthe user to enter a positive integer(> 0). determine the number of digits of the integer. create a dynamically allocated integer arrayof a size twice the number of digits.now insert the digits in original order which will occupy half of the array. then, insert the digits in reverse order.finally, output thedigits in thearray.use at least two functions to organize your program.

The song about casey jones a railroad engineer who gives his life on the job would most likely gall under the folk song category of? a-work song b-nonsense song c-religious song d-ballad