The chrome os developer shell (crosh)
Ctrl + Alt + t
crosh> exit
crosh> vmc list
termina (21474889728 bytes, raw)
Total Size (bytes): 21474889728
crosh> help
crosh> help_advanced
crosh> vmc start termina
crosh> vmc stop termina
crosh> vsh termina
(termina) chronos@localhost ~ $ lxc list
+----------+-----------+---------------------------+-------+--------------+--------------+
| NAME | STATE | IPV4 | IPV6 | TYPE | SNAPSHOTS |
+----------+-----------+---------------------------+-------+--------------+--------------+
| penguin | RUNNING | 100.115.92.202 (eth0) | | CONTAINER | 0 |
+----------+-----------+---------------------------+-------+--------------+--------------+
(termina) chronos@localhost ~ $ lxc exec penguin bash
root@penguin:~#