Usage: hadoop fs
[generic options]
[-appendToFile <localsrc>
... <dst>
]
[-cat [-ignoreCrc
] <src>
...]
[-checksum <src>
...]
[-chgrp
[-R
] GROUP PATH
...]
[-chmod
[-R
] <MODE
[,MODE
]... | OCTALMODE> PATH
...]
[-chown
[-R
] [OWNER][:
[GROUP]] PATH
...]
[-copyFromLocal
[-f
] [-p
] [-l
] <localsrc>
... <dst>
]
[-copyToLocal
[-p
] [-ignoreCrc
] [-crc
] <src>
... <localdst>
]
[-count
[-q
] [-h
] [-v
] [-x
] <path>
...]
[-cp [-f
] [-p
| -p
[topax]] <src>
... <dst>
]
[-createSnapshot <snapshotDir>
[<snapshotName>
]]
[-deleteSnapshot <snapshotDir> <snapshotName>
]
[-df
[-h
] [<path>
...]]
[-du
[-s
] [-h
] [-x
] <path>
...]
[-expunge
]
[-find <path>
... <expression>
...]
[-get
[-p
] [-ignoreCrc
] [-crc
] <src>
... <localdst>
]
[-getfacl
[-R
] <path>
]
[-getfattr
[-R
] {-n name
| -d
} [-e en
] <path>
]
[-getmerge
[-nl
] <src> <localdst>
]
[-help
[cmd ...]]
[-ls [-C
] [-d
] [-h
] [-q
] [-R
] [-t
] [-S
] [-r
] [-u
] [<path>
...]]
[-mkdir
[-p
] <path>
...]
[-moveFromLocal <localsrc>
... <dst>
]
[-moveToLocal <src> <localdst>
]
[-mv <src>
... <dst>
]
[-put
[-f
] [-p
] [-l
] <localsrc>
... <dst>
]
[-renameSnapshot <snapshotDir> <oldName> <newName>
]
[-rm [-f
] [-r
|-R
] [-skipTrash
] <src>
...]
[-rmdir [--ignore
-fail
-on
-non
-empty
] <
dir>
...]
[-setfacl
[-R
] [{-b
|-k
} {-m
|-x <acl_spec>
} <path>
]|[--set <acl_spec> <path>
]]
[-setfattr
{-n name
[-v value
] | -x name
} <path>
]
[-setrep
[-R
] [-w
] <rep> <path>
...]
[-stat
[format] <path>
...]
[-tail
[-f
] <file>
]
[-test
-[defsz] <path>
]
[-text
[-ignoreCrc
] <src>
...]
[-touchz <path>
...]
[-usage
[cmd ...]]
hadoop常用命令：
hadoop fs
-ls / 查看
/路径下文件
hadoop fs
-put 把本地文件放到hdfs，同
copy
hadoop fs
-copyFromLocal 拷本本地文件到hdfs
hadoop fs
-moveFromLocal 移动本地文件到hdfs
hadoop fs
-get hdfs文件拿到本地，同
copy
hadoop fs
-copyToLocal 拷贝hdfs文件到本地
hadoop fs
-moveToLocal 移动hdfs文件到本地
hadoop fs
-cat 查看文件内容
hadoop fs
-text 查看文件内容
hadoop fs
-mkdir hdfs创建文件夹
hadoop fs
-mv 移动
/改名 hdfs移动文件到某个目录
hadoop fs
-cp hdfs拷贝文件
hadoop fs
-getmerge
[文件夹
] [文件
] 把指定文件夹下文件merge为一个指定文件
hadoop fs
-rm 删除hdfs文件
hadoop fs
-rmdir 删除空文件夹
hadoop fs
-rm -r 删除hdfs文件夹
