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Red Hat Linux Quiz Red Hat Linux

What command will free the page cache?

echo 2 > /proc/sys/vm/drop_caches
echo 1 > /proc/sys/vm/drop_caches
echo 3 > /proc/sys/mem/drop_caches
echo 0 > /proc/sys/vm/drop_caches

Answer:
echo 1 > /proc/sys/vm/drop_caches

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