How to Rename Files in Linux : <p>I want to rename all files in selected directory using rename command or move command from :</p>

<pre><code>_02_mp3_cbr_320.m4a?anghakamitoken=sc245ae5a454547.5
_02_mp3_fsgsfsdfsfdfdsfcbr_320.m4a?anghakamitoken=sc245.ae5a
</code></pre>

<p>to</p>

<pre><code>1.m4a
2.m4a
</code></pre>
