natalia@quijote:~$ sudo export lang="en_US"
[sudo] password for natalia:
sudo: export: command not found
natalia@quijote:~$ sudo export lang="en_US"
sudo: export: command not found
natalia@quijote:~$ sudo export lang ="en_US"
sudo: export: command not found
natalia@quijote:~$ sudo export lang ="en_US"
sudo: export: command not found
natalia@quijote:~$