code: def get_missing_commands(_platform):
      
      missing = list()
      if _platform in ('Linux', 'OpenBSD'):
          if not LINUX_CMD_USERADD:
              missing.append('useradd')
          if not LINUX_CMD_USERMOD:
              missing.append('usermod')
          if not LINUX_CMD_USERDEL:
              missing.append('userdel')
          if not LINUX_CMD_GROUP_ADD:
              missing.append('groupadd')
          if not LINUX_CMD_GROUP_DEL:
              missing.append('groupdel')
      elif _platform == 'FreeBSD':  # pragma: FreeBSD
          # FREEBSD COMMANDS
          if not FREEBSD_CMD_PW:
              missing.append('pw')
      if missing:
          print('\nMISSING = {0}'.format(missing))
      return missing
docs: Check I can identify the necessary commands for managing users.