How to check if swap is working?

[Daniel B. Thurman]

>From: fedora-list-bounces at redhat.com
>[mailto:fedora-list-bounces at redhat.com]On Behalf Of Steven Ringwald
>Sent: Friday, December 16, 2005 7:32 PM
>To: For users of Fedora Core releases
>Subject: Re: How to check if swap is working?
>
>
>Daniel B. Thurman wrote:
>
>>
>>
>>Errrr....  I show that I do have the swap partition loaded with
>>available swap space showing however I see that 0 swap is being
>>used.  Is this normal?
>>
>>How do I test to see if swap will work when needed?  I see
>>no activity at this time....
>>
>Linux tries not to use swap unless it has to.
>To see swap being used, you could try exhausting your RAM with a 
>ramdisk, filling the disk, and then trying to run a program...
>
>Assuming you have 1GB of RAM...
>
>mount -ttmpfs -osize=1024m /mnt /mnt
>dd if=/dev/zero of=/mnt
>
>Now you ought to have stuff in swap like mad. :-)
>
>Hope this gets you the info you need.
>Steve
>
>

Yup!  It works!  Thanks for the tip again!
Dan

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