How can I find out how busy a Unix computer is?

While logged into a particular Unix system, to find out the system load and number of people logged in, enter:

To see a continuously updated list of the most time-consuming jobs running on a Unix system, enter:

When you have finished checking the list, to quit the display, press  q .

At Indiana University, to get support for personal or departmental Linux or Unix systems, see At IU, how do I get support for Linux or Unix?

Also see:

• In Unix, how do I check the CPU usage of a job?