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wernersmit/free-mem.sh

Created June 8, 2014 07:36
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Free memory on a running Linux system without rebooting
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free-mem.sh
###########################################################
# Free memory on a running Linux system without rebooting #
###########################################################
#!/bin/sh
# sh -c "sync; echo 3 > /proc/sys/vm/drop_caches"
# Flush file system buffers by executing
sync;
# free page cache
echo 1 > /proc/sys/vm/drop_caches;
# free dentries and inodes
echo 2 > /proc/sys/vm/drop_caches
# free page cache, dentries and inodes
echo 3 > /proc/sys/vm/drop_caches
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