code: protected void help(String searchString) {
  
          String commandList;
          boolean foundSomething = false;
          m_out.println();
  
          Iterator<CmsCommandObject> i = m_commandObjects.iterator();
          while (i.hasNext()) {
              CmsCommandObject cmdObj = i.next();
              commandList = cmdObj.getMethodHelp(searchString);
              if (!CmsStringUtil.isEmpty(commandList)) {
  
                  m_out.println(
                      m_messages.key(Messages.GUI_SHELL_AVAILABLE_METHODS_1, cmdObj.getObject().getClass().getName()));
                  m_out.println(commandList);
                  foundSomething = true;
              }
          }
  
          if (!foundSomething) {
              m_out.println(m_messages.key(Messages.GUI_SHELL_MATCH_SEARCHSTRING_1, searchString));
          }
      }
docs: Shows the signature of all methods containing the given search String.<p>
  
  @param searchString the String to search for in the methods, if null all methods are shown