On Wed, Oct 02, 2013 at 03:59:15AM -0500, Stan Hoeppner wrote:
> This will really throw you for a loop.  Open a shell window and execute
> 
> ~$ sudo echo 3 > /proc/sys/vm/drop_caches

She'll probably get 'Permission denied', you need elevated permissions
for the writing process, which in this case is the outer shell. Try
instead

  $ sudo sh -c "echo 3 > /proc/sys/vm/drop_caches"


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