Platform	Value	Description
AIX	A	Active
	W	Swapped
	I	Idle
HP-UX	W	Waiting
	I	Intermediate
	X	Growing
Linux	D	Uninterruptible Sleep
	W	Has no resident pages
	<	High priority process
	N	Low priority tasks
	L	Has pages locked into memory
Solaris	O	Process is running on a processor
	S	Sleeping. That is, the process is waiting for an event to complete.
	R	Runnable. That is, the process is on the run queue.
	Z	Zombie state. That is, the process has been terminated and the parent process is no longer waiting.
	T	The process has been stopped by a job control signal, or because it is being traced.

Terminal

The Unix terminal session where a user started the specified process. If the process was not started by an interactive user, the Terminal value is set to "?".

Priority

The basic priority assigned to the process – the lower the number, the higher the priority. Unix can modify this priority by means of the renice command.

Nice

The Nice value describes the relative priority of the specified process. A process with a low Nice value is running at a higher priority than a process with a high Nice value.

Virt Mem (MB)

The amount of virtual memory in use by the process, measured in megabytes.

Physical Mem (MB)

The amount of physical memory in use by the process, measured in megabytes.

Command

The command executed by the process.

Zombies Page

Unix expects a parent process to acknowledge the termination of any child process. If it fails to do so, the terminated child process is classified by the kernel as a zombie.

A high number of zombie processes indicates that one or more processes are not handling their child processes properly. You may need to kill the parent process to eliminate its zombie child process.

To open the Zombies page

Select the Spotlight on Unix connection in the Spotlight Browser.
Click Processes | Zombies.

For each process, you can view the information that follows:

Column	Description
PID	The process identifier for the specified process.
PPID	The process identifier for the process that is the parent of the specified process.
UID	The user identifier for the user to whom the process belongs.
State	Z for Zombie. That is, the process has been terminated and the parent process is no longer waiting.
Priority	The basic priority assigned to the process – the lower the number, the higher the priority.
Nice	The Nice value describes the relative priority of the specified process. A process with a low Nice value is running at a higher priority than a process with a high Nice value.
CPU Utilization	A value representing the amount of CPU time used by the process. The metric used here may differ across Unix implementations.
Terminal	The Unix terminal session where a user started the specified process. If the process was not started by an interactive user, the Terminal value is set to "?".
Command	The command executed by the process.

Services page

The Services page lists (by name) the popular services found in the /etc/services file of the Unix machine. These services may or may not be enabled.

To open the Services page

Select the Spotlight on Unix connection in the Spotlight Browser.
Click Processes | Services.

The Services table contains the following information.

Column	Description
Service name	The name of the specified service.
Port number	The logical port used by the service to handle data.
Protocol	The transfer protocol used by the service. Possible protocols include TCP (Transmission Control Protocol) and UDP (User Datagram Protocol).
Aliases	Alternative names for the service.
Active?	The status of the port used by the service (initially blank). To display the status, right-click on a service in the table and select Test port. Possible values are: Yes - A process on the server is listening on that port. No - There is no process listening on that port. Connecting... - Spotlight is waiting for a response from the server.

Activity Summary

Spotlight

Spotlight is powerful diagnostic and problem-resolution tool for Unix and Linux operating systems. Its unique user interface provides you with an intuitive, visual representation of the activity on your host machine.

For information on Spotlight on Unix, see these sections

Section	Description
Background Information	Introductory material to Spotlight on Unix.
Connect to a Unix System	Create / Modify / Delete connections to Unix systems.
Home Page	The Spotlight home page shows the flow of information and commands between various sub-components and the size and status of internal resources such as processes, disk files and memory structures.
Alarms	Spotlight alerts you to problems with your system by issuing an alarm. You can configure Spotlight in the level of severity that constitutes an alarm, to disable an alarm, and the actions Spotlight takes on raising the alarm.
Drilldowns	When you have isolated a problem, you can display a drilldown page, whose charts and tables provide a detailed breakdown of the underlying statistics.
View \| Options	Customize Spotlight.
Troubleshooting	Solve problems using Spotlight.

For information on using Spotlight applications See

Spotlight Basics

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Process Details Page

Zombies Page

Services page

Activity Summary

Spotlight