title: Concatenating multiple text files into a single file in Bash
body: <p>What is the quickest and most pragmatic way to combine all *.txt file in a directory into one large text file?</p>
  
  <p>Currently I'm using windows with cygwin so I have access to BASH.</p>
  
  <p>Windows shell command would be nice too but I doubt there is one.</p>