Activity Monitor/Terminal diagnoses

What’s the best troubleshooting tool you already own but have probably never used? Activity Monitor, a utility tucked away in OS X’s /Applications/Utilities folder. Most users can ignore its geekier features and focus on its straightforward ability to resolve mysterious freezes, open unopenable applications, and diagnose performance slowdowns.

Activity MonitorAs you can see I’m running out of memory here. Still there is a way to know if your Mac needs more memory.

Is easy by watching the Page ins and Page outs in the Activity Monitor panel.

But in order to get a correct reading, follow these steps:

1. Go to Applications/Utilities/Terminal.

2. Double click Terminal to open it.

3. Write: Top and press return. See the picture below to watch for paging memory:

TerminalThis is not the case, but if the Page in and Page out values are alike, you better get more RAM!

Force Quit an App that’s taking too much memory or CPU and reopen it again, things go back to normal after that.

Force Quit

Safari can take a lot of memory, depending on the web pages your visiting.

Keep the Activity Monitor on the Dock if you need to monitor your CPU this way:

Activity Monitor

It will show up like this:


So keep in mind all these procedures, to Monitor your Mac when something goes wrong.


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