[Centos] cache flush command

William Warren hescominsoon at emmanuelcomputerconsulting.com
Tue Sep 28 14:38:22 UTC 2004

<sigh> i know about the differences between winders and linux.  I 
know that linux uses memory diffrently.  I am not using free..i 
am using top.  Never mind..the swapping has stopped(as i killed 
the swap) and am waiting for a fixed kernel that is promised in 

Dag Wieers wrote:

> On Mon, 27 Sep 2004, William Warren wrote:
>>sync did not flush the buffers..also the file cache is at about 136 megs.
>>Under top it is labled as 136587k cached that is what i am looking to clear
>>out.  Also how do i turn the swap back on?
>>I am doing this as the various echo commands have still not completly fixed
>>the kernel swapping bug..:(
> Ok, can you give me output with an explanation of what you want to do ?
> My guess is that you are misinterpreting the output of free and make the 
> wrong conclusions.
> Many people coming from windows (I was one of them too many years ago) 
> only had the used/free concept and considered everything that is used, as 
> being 'not free'.
> Reality is a bit more complicated and Linux makes use of _all_ memory, 
> although much of it can be considered free using the Windows terminalogy.
> --   dag wieers,  dag at wieers.com,  http://dag.wieers.com/   --
> [Any errors in spelling, tact or fact are transmission errors]

My "Foundation" verse:
Isa 54:17  No weapon that is formed against thee shall prosper; 
and every tongue that shall rise against thee in judgment thou 
shalt condemn. This is the heritage of the servants of the LORD, 
and their righteousness is of me, saith the LORD.

-- carpe ductum -- "Grab the tape"

More information about the CentOS mailing list