Aloha in the Hawaiian language means affection, peace, compassion and mercy.  Since the middle of the 19th century, it also has come to be used as an English greeting to say and hello. " Aloha" is also included in the state nickname of Hawaii, the "Aloha State". 

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ALOHAnet, also known as the ALOHA System, or simply ALOHA, was a pioneering computer networking system developed at the University of Hawaii.  ALOHAnet became operational in June, 1971, providing the first public demonstration of a wireless packet data network. 

Noun1.  an acknowledgment that can be used to say hello or goodbye (aloha is Hawaiian and ciao is Italian) (synonym) ciao (hypernym) acknowledgment, acknowledgement (classification) Italy, Italian Republic, Italia