1. Write a UNIX command line that will print the number of processes that root has running on this machine.
This uses pipes and is tricky. Test your answer!
2. Create a file called answers and give the following command: $ > answers.txt
Explain what the command does.
What is the more traditional way of accomplishing the same thing?
How can the shell recognize that cat is the command name (that is, argument zero) even though it does not come first on the command line?