# 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