code: def print_system_users():
      r
      import utool as ut
      text = ut.read_from('/etc/passwd')
      userinfo_text_list = text.splitlines()
      userinfo_list = [uitext.split(':') for uitext in userinfo_text_list]
      #print(ut.repr4(sorted(userinfo_list)))
      bash_users = [tup for tup in userinfo_list if tup[-1] == '/bin/bash']
      print(ut.repr4(sorted(bash_users)))
docs: r"""
  
      prints users on the system
  
      On unix looks for /bin/bash users in /etc/passwd
  
      CommandLine:
          python -m utool.util_cplat --test-print_system_users
  
      Example:
          >>> # DISABLE_DOCTEST
          >>> # SCRIPT
          >>> from utool.util_cplat import *  # NOQA
          >>> result = print_system_users()
          >>> print(result)