The file permission system in HDFS follows almost the POSIX system. POSIX system supports three types of permission .
READ (r)
WRITE (w)
EXECUTE (x)
The read permission allows us to read files and list the contents of a directory.The write permission is required to write a file or, for a directory, to create or delete files or directories in it.The executeperission is not allowed as you cannot execute a file in HDFS. However ,you can have an execute permission on directory to access it's children.
READ (r)
WRITE (w)
EXECUTE (x)
The read permission allows us to read files and list the contents of a directory.The write permission is required to write a file or, for a directory, to create or delete files or directories in it.The executeperission is not allowed as you cannot execute a file in HDFS. However ,you can have an execute permission on directory to access it's children.
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