title: serial usb communication in linux using minicom
body: <p>I trying to use serial port in Linux. I am using minicom. When I connected my serial to USB device to  a port, minicom responds with </p>
  
  <blockquote>
    <p>"cannot open /dev/ttyUSB0: No such file or directory".</p>
  </blockquote>
  
  <p>But when dmesg it is showing that </p>
  
  <blockquote>
    <p>"converter now attached to ttyUSB0"</p>
  </blockquote>
  
  <p>Then why it is not opening in minicom.</p>