Perform the following on either MS Windows, Mac OS X, or Linux:
- MS Windows: Type Ctrl-Shift-Esc to bring up the Task Manager and choose the tab “Applications” and “Processes”
- Mac OS X: Run Activity Monitor (found under Applications / Utilities) and choose the tab “CPU”.
- Linux: Open the terminal and type ps -eaf.
What do you see? What are the attributes shown? What do they mean? Explore the options/preferences/command line arguments for the respective tools you used.