The second number is 0, 1, or 2 and indicates the order in which the file system should be checked upon boot.

第二个数字是0、1或者2，指定了在引导时检查文件系统的次序。

youdao

The second number is 0, 1, or 2 and indicates the order in which the file system should be checked upon boot.

第二个数字是0、1或者2，指定了在引导时检查文件系统的次序。

youdao