# See https://tools.ietf.org/html/rfc5952, https://tools.ietf.org/html/rfc4007.

# internet address and host name
::1                                            localhost       # inline comment separated by tab
fe80:0000:0000:0000:0000:0000:0000:0001                localhost       # inline comment separated by space

# internet address with zone identifier and host name
fe80:0000:0000:0000:0000:0000:0000:0002%lo0    localhost

# internet address, host name and aliases
fe80::3%lo0                                    localhost       localhost.localdomain