docs: def pwd(self, **kwargs):
              """
              Returns the cwd
  
              Optional kwargs:
  
                  node = <node>
                  If specified, return only the directory name at depth <node>.
  
              """
  
              b_node  = False
              node    = 0
              for key,val in kwargs.items():
                  if key == 'node':
                      b_node  = True
                      node    = int(val)
  
              str_path = self.cwd()
              if b_node:
                  l_path      = str_path.split('/')
                  if len(l_path) >= node+1:
                      str_path    = str_path.split('/')[node]
              return str_path