You have a bunch of text files in your home directory, and you are trying to find which ones contain the name "Backman". You are not certain if the name is all lowercase, has only the first letter capitalized, or is all caps. What command would you type to search within all the files in your current working directory for the name "Backman", and ignore case?

1. you have a small business that is divided into 3 departments: accounting, sales, and administration. these departments have the following number of devices (computers, printers, etc.): accounting-31, sales-28, and administration-13. using a class c private network, subnet the network so that each department will have their own subnet. you must show/explain how you arrived at your conclusion and also show the following: all available device addresses for each department, the broadcast address for each department, and the network address for each department. also, determine how many "wasted" (not usable) addresses resulted from your subnetting (enumerate them).