This specific file format ( DVDRip_XviD ) and naming convention are typical of old-school or warez forums (like eMule or BitTorrent sites). Context for this Episode
The DVDRip quality was superior to TV captures of the time. Lost_2x04_Tutti_Odiano_Hugo_ITA_DVDRip_XviD-tri...
In the context of the Italian file-sharing communities (like DDLVillage or TNT Village ), a "useful post" usually meant: This specific file format ( DVDRip_XviD ) and
It was a reliable link for fans in Italy to watch the show shortly after the DVD release. Lost_2x04_Tutti_Odiano_Hugo_ITA_DVDRip_XviD-tri...