The `top' process viewer provides an interactive display of the current process table and system CPU utilisation and memory statistics. For full details see the manual page (`man top' from a UNIX shell). The following commands are useful to know:
| h | Show help |
| n | Change the number of processes to display |
| k | Kill a process |
| r | Change the priority of a process |
| u | Restrict display to processes owned by a specified user |
| i | Display/Do not display idle processes |
| q | Quit |