usedefaults noyes yes指定如果输入数据文件没有包含某列的值，就导入或载入该列上所定义的默认值。

usedefaults no yes yes Specifies that the default value defined on a column is to be imported or loaded if the input data file contains no value for that column. Given import data file tabdata.del

youdao

在登录时，系统将允许Charlie指定角色而不使用默认值(mgr_r，因为我们把它列在semanage user命令中的第一位)。

Upon login, Charlie will be allowed to specify a role other than the default (mgr_r, since we listed it first in the semanage user command).

youdao

此列表包含需要数据但没有指定默认值的隐藏列或只读列。

This list has hidden columns or read-only columns that require data but for which no default value has been specified.

youdao

此列表包含需要数据但没有指定默认值的隐藏列或只读列。

This list has hidden columns or read-only columns that require data but for which no default value has been specified.

youdao