title: what does the + and the - symbols indicate when a "jobs" command is executed in unix?
body: <p>When I run the jobs command in CUI to check the jobs. I will get the result like below.</p>
  
  <pre><code>[4]-   Stopped  Passwd.
  [5]+   Stopped  Cat &gt; d1.
  </code></pre>
  
  <p>I didn't get, why <code>+</code> and <code>-</code> is used?</p>
  
  <p>Can anyone explain me the same?</p>