[CentOS] Finding memory usage

[Gordon Messmer]

On 07/27/2018 08:50 AM, Warren Young wrote:
> This is such a common misunderstanding that it has its own web site:
>      https://www.linuxatemyram.com/

The misunderstanding was mostly related to an older version of "free" 
that included buffers/cache in the "used" column.  "used" in this case 
does not include buffers/cache, so it should be possible to account for 
the used memory by examining application and kernel memory use.