File safety specifications (so that multiple machines can access the same file without locking problems and opportunistic locking).
文件安全规范(这样，多台计算机就可以访问同一个文件，而不会出现锁定问题和伺机锁定)。
If no match is found, the screensaver is locked, effectively locking an opportunistic attacker out of the system.
如果未找到匹配，则锁定屏幕保护程序，从而可以将那些碰运气的攻击者有效地锁定在系统外部。
If no match is found, the screensaver is locked, effectively locking an opportunistic attacker out of the system.
如果未找到匹配，则锁定屏幕保护程序，从而可以将那些碰运气的攻击者有效地锁定在系统外部。
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