检查特定文件系统的帮助程序的文档，了解这些选项。
Check the documentation for your file system-specific FSCK helper program to learn about its options.
这个程序用来检查和修复文件系统，相当于Windows中的chkdsk。
This is the program used to check and repair file systems, equivalent to CHKDSK in Windows.
因而，不常更改的文件系统(例如可执行程序的目录)应以只读方式挂载，避免在系统崩溃后浪费时间来检查这样的系统。
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.
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