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Chapter 4. Task and Setting Index > System Information

System Information


Find out how much memory I have?

→ About This Mac


Find out what version of Mac OS X I'm running?

→ About This Mac

→ About This Mac → click on the version number (e.g., 10.2.3) to reveal the build number (e.g., 6G30).

Finder → Applications → Utilities → Apple System Profiler → System Profile panel; look in the System overview section to see the exact build of Mac OS X.


Find out what processor my Mac has?

→ About This Mac

Finder → Applications → Utilities → Apple System Profiler → System Profile → Hardware Overview


What type of cache do I have and how big is it?

Applications → Utilities → Apple System Profiler → System Profile → Memory Overview


Find out what programs (or processes) are running?

Finder → Applications → Utilities → Process Viewer

From the command line, using the ps -aux command.

From the command line, using the top command.


Display the status of the computer's used and free memory?

From the command line, using the top command. The top command gives you a real-time view of the processes running on your system, as well as processor and memory usage. To stop the top command from running, hit Control-C or -. (Command-period).


View the hardware connected to my system?

Finder → Applications → Utilities → Apple System Profiler. This information can be gathered from System Profile → Hardware Overview, and from the Devices and Volumes panel.


Quickly generate a report about my system so I can submit it to Apple along with a bug report?

From the Terminal, issue the following command:

[macchuck:~] chuck% AppleSystemProfiler > sysprofile.txt

The AppleSystemProfiler command launches the Apple System Profiler application (/Applications/Utilities). It redirects the output (with the > symbol) that would normally print in the Terminal and saves it in the sysprofile.txt file in your home directory. Now you can open, view, and print the file using TextEdit, or copy and paste this into a bug report.

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