Om Swastiastu - prayer for your safety
Om Swastiastu,
a greeting which is usually given by people of Bali, to someone he met. And currently PEOPLE Hindu in Indonesia, if mutually meet with each other, generally say Om Swastyastu. Greetings people of this has now become an official greeting in the sessions of the House of Representatives, as well as other official meetings. As for the purpose of the greeting was greeting well as a prayer to the speaker so that the person is always endowed by God Almighty.
As for the explanation of the word, can be seen from rishi conversation with a Suyasa. After the Suyasa improve his ways.