This question is about I/O redirection and pipes on the command-line. Explain what each of the following possible command-lines means. In each problem, you need to associate an appropriate meaning to the symbols a, b, and c (for example "b names a program, and and c name files" or "a and b name programs and c is a parameter to b").

a) z:\> a > b < c

b) z:\> a | b > c

c) z:\> a < b | c

d) z:\> a < b & c

e) z:\> a b | c