These problems were first discovered by Ton Spek during testing of the checkingprograms for the journal.
这些问题首先发现吨什佩克在为杂志的检查程序测试。
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Therefore, filesystems that seldom changed (such as a directory of executable programs) could be mounted read-only so as to not waste time for checking it after a system crash.
You can even offer special promotions to people who participate in these programs by checking in at your hotel or visiting local businesses a given number of times.