Abhishek Mathur 	20171162
Shell Progaram Description

To compile: Run "make"
To run the program: Execute "terminal"

'''Process calls and all basic commands are handled efficiently'''

File Descriptons:

shell.c: Contains main function,clock function and commands interpret function.
inp.c: Takes input from the user.
cdd.c: Change directory.
echo.c: Print whatever is written in front of the command.
ls.c: Display the contents of a directory.
pif.c: Process information of an running process.
prmpt.c: Display prompt.
pwd.c: Display current directory path.
headers.h: Includes all the .c files and all the required modules.
makefile: Complile and run all .c together to make executable "terminal"