Definition – What does Localhost mean?
Localhost is a standard hostname offered to the address of the local computer in the computer networking. In simple word, localhost is a local computer in which the program is running on. It denotes the hostname that is used in communicating with the loopback network interface that is with software on the computer that is originated the transmission. Localhost is also a reserved top-level domain name set.
Glossary Web explains Localhost
Localhost is a place of using computer’s hostname. Generally, it translates to an IPV4 address in the loopback netblock or ::1 in IPV6. The virtual loopback interface of the computer systems in IPV4 communications is assigned the address 127.0.0.1 with the subnet mask 255.0.0.0. Based on the routing mechanism that is installed and the operating system (OS) in use, the local system’s routing tables are populated with an entry so that packets mean for any address from 127.0.0.0/8 block are routed inside to the network loopback device.