title: cat /dev/null to multiple files to clear existing files like logs
body: <p>A good way to clear logs(syslog has a handle on file) which have frozen my linux server(out of space) I tried <code>cat /dev/null &gt; fileABC; cat /dev/null/ &gt; fileXYZ</code></p>
  
  <p>How can I clear multiple files by cat /dev/null to multiple files in an efficient or single command. </p>