Write a bash script which: if run without parameters, prints an error message and exits takes 1 parameter, which must be a valid path (absolute or relative) if run with 1 parameter which cannot be interpreted as a path, prints an error msg and exits if run with more than 1 parameter, uses the first parameter and ignores the rest if the value of the first parameter does not exist, creates it if the value of the first parameter exists but is not a directory, print an error msg and exit if the value of the first parameter exists, copies the script itself to that directory

Eva has many contacts on the professional networking site she uses which contacts are considered second degree

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).

Facial expressions and gestures are examples of messages.