ReadFile read data from file.

ReadFileLines read line from file divide with \n.

ReadLines read line from byteArray divide with \n.

WriteBytesLine write bytes to buffer, terminate with newline.

WriteLine join all words with spaces, terminate with newline and write to file.

WriteLine join all line to file.

WriteLine join all words with spaces, terminate with newline and write to buff.

Content creates a new file, and copies the content of the file.

Hardlink creates a new hardlink to the existing file.

Mode indicates whether to use hardlink or copy content.