The output from this is huge, even on a lightly loaded system, so you typically either supply the name of a directory as a command-line argument or use a pipe to filter its output.
即使在负载很轻的系统上，这个命令的输出也非常长，因此通常通过命令行参数指定一个目录名，或者使用管道筛选它的输出。
Then, the business process writes the customer business object data to a separate XML file in the output directory of the file system.
随后，业务流程会将Customer 业务对象数据写入单独的XML文件，并将此文件放在文件系统的输出目录中。
If you are moving an existing file system to a larger partition, (rather than a single directory within an existing file system) then use the output from df to determine the current file system size.
如果您将现有的文件系统(而不是现有的文件系统中的单个目录)移动到一个更大的分区，那么可以使用df的输出来确定当前文件系统的大小。
With the job complete, inspect the output directory (to identify the results file), and then perform a file system cat operation to view its contents (see Listing 10).
作业完成之后，检查out put目录，找到结果文件，然后通过执行文件系统cat操作查看其内容(见清单10)。
With the job complete, inspect the output directory (to identify the results file), and then perform a file system cat operation to view its contents (see Listing 10).
作业完成之后，检查out put目录，找到结果文件，然后通过执行文件系统cat操作查看其内容(见清单10)。
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