Assume you are an experienced DOS programmer and you want to write UNIX shell scripts using DOS commands. Use the alias command so you can type the follow DOS commands and perform UNIX functions:
a. Clear screen (cls)
b. Directory (dir)
c. print out the contents of a file (type)
d. Make a directory (md)
e. Change directory (cd)
f. Delete a file (del)
g. Copy a file (copy)