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Using Purge Command on OS Yosemite & OS Mavericks

Check tutorial of Using the Purge Command in OS X Yosemite & OS X Mavericks

So after a lot of requests from our users here is a guide about Using the Purge Command in OS X Yosemite & OS X Mavericks.

Many Mac users with OS X Yosemite and OS X Mavericks have noticed that the purge command, which causes the memory cache to be cleared as if it had been restarted a computer, throws an error when attempting to run through Terminal in OS X 10.9 or later . In most cases, that error message is “Cannot flush disk buffers: operation not allowed”. This doesn’t mean cleaning no longer works in Mavericks, it just requires super user permissions to run properly in the latest versions of Mac OS X.

Run Purge Command in OS X El Capitan, Yosemite, Mavericks

To use the purge command in modern versions of OS X, you must put sudo before the command in the Terminal as follows:

sudo purge

To use sudo, the administrator password must always be entered. Note that there is no confirmation message that the cleanup was successful, it just takes a while and returns to the normal command prompt. Without sudo, the “operation not allowed” error will persist, and although not verified, you may encounter other errors if no command-line tools are installed on the affected Mac.

The cleanup command remains somewhat controversial and is best reserved for developers and moderately advanced users. In addition, the degree of effectiveness of cleaning with the latest versions of OS X remains debatable due to significant under-the-hood improvements of memory management with memory compression and improved cache handling, and further testing should be done to determine if there is still a problem. take advantage of using the command or whether it’s best to let OS X handle the memory and caches completely on its own. Nevertheless, some users may still find cleaning useful in situations where free memory is running low or when memory pressure is very high. If you’re going to try to use purge under OS X Mavericks, you can check out the ‘Memory’ tab in Activity Monitor to see the before and after results yourself, or use something more advanced like vm_stat from the command line to use virtual memory to check . Purge dumps and frees the virtual memory in caches up inactive memory.

Thanks to several commenters in our article on how to fix unusually high CPU usage with Finder for the reminder of this, while purging is unlikely to have any impact on the Finder’s performance, it can be a useful tool for other circumstances. Do you have an opinion on purification? Feel free to report your individual findings in the comments.

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Using the Purge Command in OS X Yosemite & OS X Mavericks: FAQ

Tutorial Summary: Using the Purge Command in OS X Yosemite & OS X Mavericks

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What is actual time in which this method complete?

The time to complete the Using the Purge Command in OS X Yosemite & OS X Mavericks tutorial is 10+ minutes.

What are the supported Device?

Apple

What are the supported Operating system?

mac OS


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