Yiqun Lin created HDFS-10894:

             Summary: Remove the redundant charactors for command 
-saveNamespace in HDFSCommands.md
                 Key: HDFS-10894
                 URL: https://issues.apache.org/jira/browse/HDFS-10894
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: documentation
    Affects Versions: 3.0.0-alpha1
            Reporter: Yiqun Lin
            Assignee: Yiqun Lin
            Priority: Trivial

There twp redundant charactors for command {{hdfs dfsadmin -saveNamespace}}. 
The introduction of this command in HDFSCommands.md

-saveNamespace \[-beforeShutdown\]  Save current namespace into storage 
directories and reset edits log....

Here the charactior '\' is no need, it makes this look incorrect. This is a 
link page for this document:

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