#!/bin/bash # Purge OS filesystem cache # Give this script appropriate privileges: # macOS: sudo chmod +s purge_cache.sh (or add to sudoers) # Linux: sudo chmod +s purge_cache.sh (or add to sudoers) case "$(uname)" in Darwin) purge ;; Linux) sync echo 3 > /proc/sys/vm/drop_caches ;; *) echo "Unsupported OS" >&2 exit 1 ;; esac