| # See https://tools.ietf.org/html/rfc1123. | |
| # internet address and host name | |
| 127.0.0.1 localhost # inline comment separated by tab | |
| 127.0.0.2 localhost # inline comment separated by space | |
| # internet address, host name and aliases | |
| 127.0.0.3 localhost localhost.localdomain | |