{"version":"1.0","type":"link","provider_name":"Hardcover","provider_url":"https://hardcover.app","cache_age":86400,"title":"Unix System Programming","url":"https://hardcover.app/books/unix-system-programming","author_name":"Keith Haviland, Dina Gray, and Ben Salama","author_url":"https://hardcover.app/authors/keith-haviland","authors":[{"name":"Keith Haviland","url":"https://hardcover.app/authors/keith-haviland"},{"name":"Dina Gray","url":"https://hardcover.app/authors/dina-gray"},{"name":"Ben Salama","url":"https://hardcover.app/authors/ben-salama"}],"thumbnail_url":"https://assets.hardcover.app/external_data/1764287/cc1e39ec158e36da719fb2f978c30953f212b640.jpeg","thumbnail_width":386,"thumbnail_height":500}