Du Command

In many cases, we want to know how much space the individual files and directories on the hard disk are using. And the total space occupied by a directory. The du command can help us. After we enter the terminal, we can use this command in any directory. Now use this command in the OPT directory of our own Linux system. We tried to enter the command: Du. In the figure above, we use the Red line to show the size of each file and directory that occupies the hard drive. The position of the green coil is relative to the name of each file and directory. And the position of the blue circle is the order of the current eye ...

Calling the file system (FS) shell command should use the form of Bin/hadoop FS <args>. All of the FS shell commands use the URI path as a parameter. The URI format is Scheme://authority/path. For the HDFs file system, Scheme is HDFS, for the local file system, scheme is file. The scheme and authority parameters are optional, and if unspecified, the default SC specified in the configuration is used ...

Feature Description: Displays the size of the directory or file. Syntax: du&http://www.aliyun.com/zixun/aggregation/37954.html >nbsp; [-ABCDHHKLMSSX] [-L < symbolic connection] [-x < file] [--block-size] [--exclude=< directory or file [--max-d ...

Function: Statistics The amount of space that a directory or file occupies on a disk. Common parameter hint: du [parameter] name example:-a-b

&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Parse all of the commands in the Hadoop HDFS (where the operation process is your own idea and have a different opinion.) Interface name function operation process get copy files to local file system. If more than one source file is specified, the local destination must be a directory. (1) According to the above mechanism, in the CO ...

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What happened in the two months of this year from August 30 to October 30? As the two protagonists of this reorganization, Shandong Iron and Steel Group Corporation (hereinafter referred to as "Shan Steel Group") and Rizhao Iron and Steel Holding Group Co., Ltd. (hereinafter called "Japan Steel Group") are silent.　　But the undeniable fact is that the restructuring has changed a lot. On August 30, the two sides signed a second reorganization agreement, Shan Steel Group in a one-time acquisition of the Japanese steel group assets of the restructuring of the Japanese steel group.　　This means that the head of the Japanese steel group Mr du completely out. But by the October ...

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To complete this chapter, you will be able to do the following: Use the DF and Du commands to monitor the size of the file system's effective space to clean up the filesystem space by clearing unused files and core files to clean up the var file system by trimming the log files to extend a volume group from the command line to extend a logical volume from the command line Extend a file system from the command line 1. Monitoring disk usage Use the DF command to check the file system for valid space. # DF filesystem Kbytes used av ...