PING Full Form is Pocket Internet Groper. This is a computer program or software which is used for getting connectivity of network between 2 systems. These systems can vary from a huge server to a router to a personal computer or a gateway. In order to test the connectivity, series of packets are passed through a network from one system to the second one. The system on the other side acknowledges it by replied. This acknowledgement helps the sender system to understand that connection has been established between the systems.
PING can also refer to the push mechanism used in blogging. Here, PING is the mechanism based on XML-RPC. This helps the weblog to notify the server regarding the contents being updated. A ping server might notify various services when pinged. The list of services includes; web directories, aggregators, feed websites, search engines, and others.