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How to Clear RAM Memory Cache, Buffer and Swap Space on Linux

Clearing RAM in Ubuntu, Linux Mint, and subsidiaries. Dispatch Terminal and enter the accompanying order.


Linux has a very efficient way of coping with the computer’s RAM to get the first-rate overall performance out of the available resources. Although this approach is extraordinary, it might be puzzling to customers as the memory appears completely occupied all of the time in spite of remaining all packages.

Linux works this way. It makes use of available memory to cache the apps from the hard disk drive, in a aim to carry out faster.

The identical gain becomes a frustrating ordeal, particularly for system directors who're troubleshooting a PC. The changes carried out to the machine documents in the hard disk may not be examine due to the fact Linux is loading it from the RAM.

Therefore, in the course of the troubleshooting process whilst one is in the procedure of confirming a restoration to a problem, it is a great concept to clear the reminiscence right away to check end result. A reboot will paintings too, but that’s a variety of time wastage and consists of killing the current session. Instead, how approximately wiping the RAM inside the equal consultation to keep time? Let’s take a look.


Open Terminal and login ssh using root user and enter the command .

Command:  sync; echo 3 > /proc/sys/vm/drop_caches


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