title: Executing Shell Script from current directory without '"./filename"
body: <p>I have created a file called "testfile" and made it executable using <code>chmod +x testfile</code>.
  In order to execute the file "testfile" i need to run the command <code>./testfile</code>.</p>
  
  <p>I need to know is there any way i could run the program without using <code>./</code> and execute the file using <code>testfile</code> command?</p>
  
  <p>Shown below is a simple code inside the file "testfile"</p>
  
  <pre><code>echo Todays date is : 
  date
  </code></pre>