To run multiple commands on the output of find, they can be specified using the following method :
find . -name "*.txt" -exec echo {} \; -exec grep foo {} \;
Clear linux system buffers
Here is a way how to clear the linux system buffers. You will need to run this command as root.
To clear the pagecache, dentries and inodes
echo 3 > /proc/sys/vm/drop_caches
To clear just the pagecache, use the following command
echo 1 > /proc/sys/vm/drop_caches
Similarly, to delete just the dentries and inodes :
echo 2 > /proc/sys/vm/drop_caches
This is a non-destructive operation and will only free things that are completely unused.
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