IO-Input and Output

Stream Reader
Stream Writer

File Object

OutFile = IO.File.AppendText ("x.txt")

Append Text = Open a file for Append so that we can add text to it and this is also a writer

Create Text = This is a writer

Read Line = Will read one line

Peak = Method that peeks inside the files that is associated with the Peek File, if there are no more lines to write the peek function will return a negative one, if there are no more items in the list