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https://issues.apache.org/jira/browse/HDFS-9125?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14909182#comment-14909182
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nijel commented on HDFS-9125:
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thanks [~templedf] for you time.
Updated the patch with the comment and a minor change in the command prefix.
Please check
> Display help if the command option to "hdfs dfs " is not valid
> ---------------------------------------------------------------
>
> Key: HDFS-9125
> URL: https://issues.apache.org/jira/browse/HDFS-9125
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: nijel
> Assignee: nijel
> Priority: Minor
> Attachments: HDFS-9125_1.patch, HDFS-9125_2.patch
>
>
> {noformat}
> master:/home/nijel/hadoop-3.0.0-SNAPSHOT/bin # ./hdfs dfs -mkdirs
> -mkdirs: Unknown command
> {noformat}
> Better to display the help info.
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