title: How can I grep a process in BusyBox using ps
body: <p>I am getting below  error in jenkins pipeline when I try to run <code>ps -ef|grep process</code> command:</p>
  
  <pre><code>ps: unrecognized option: p
  BusyBox v1.27.2 (2017-12-12 10:41:50 GMT) multi-call binary.
  Usage: ps [-o COL1,COL2=HEADER]
  Show list of processes
  -o COL1,COL2=HEADER Select columns for displayI have Jenkins version 2.135 and
  </code></pre>
  
  <p>I have <code>BusyBox v1.27.2</code></p>
  
  <p>Can some one tell me how can I avoid this error for <code>ps -ef|grep process</code> without installing the <code>alpine image</code></p>