（三）及时向公安机关、网信部门报告重大威胁情报和程序样本。
从实际出发，前提是要深入了解实际情况。
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Walmart to pay $100m over claims it misled drivers over pay
/etc is also writable, but it’s managed a bit differently. OSTree uses a technique called “etc overlay” to handle modifications in /etc. When an update is applied, OSTree compares files in the new version with those in /etc and applies changes intelligently, preserving local modifications as much as possible.