title: Removing first 3 characters of file names in linux
body: <p>I need a sh script to do remove the first 3 characters of file names, for example:</p>
  
  <pre><code>"AB file 1.pdf"
  "BC file 2.pdf"
  "DB file 3.pdf"
  "AD file 4.pdf"
  ...
  </code></pre>
  
  <p>to:</p>
  
  <pre><code>"file 1.pdf"
  "file 2.pdf"
  "file 3.pdf"
  "file 4.pdf"
  ...
  </code></pre>
  
  <p>I think the script will be like:</p>
  
  <pre><code>#!/bin/sh
  for i in *.pdf; do
     newName= ????
     mv $i $newName
  done
  </code></pre>