PA Simple Shell Commands
Leveling assignment for unix shell commands

What are the shell commands to do the following activities:

1. list all the files in the current directory
2. change to a different directory
3. delete a file
4. delete a directory and its contents

What do the following shell commands do?

1. cp my_file.rb your_file.rb
2. cd ..
3. mv /mydev/freetime/home.rb /mydev/sample/home.rb