The following statements are related to the background process in Unix. Which one is incorrect? a) To run a process in the background, we should put the special character & at the end of command b) If a program executing in background attempts to read from STDIN it is terminated. c) If a program executes in background, the output of the program would not be displayed in screen. d) Background process can start a new subshell. For questions 6 assume that a program contains the following declarations: char c = '\1'; short s = 2; int I = -3; float f = 6.5f; doubled d = 7.5; To obtain the actual size of C's integer type on a machine in a C program we can use operator and write statement Use typedef to a type named Int16 in C program. Define this types so the represents 16-bit on a 32-b machine. Use typedef to create s type named Boolean in C program to simulate the Boolean type in Java. How to represent true in C using reserved directive define? # define