CREATE TABLE table_name_88 (mac_os_x VARCHAR(255), android VARCHAR(255), linux VARCHAR(255), amigaos VARCHAR(255))
Which Mac OS X has a Linux of no, and an AmigaOS of no, and an Android of unknown?
    
SQL: SELECT mac_os_x FROM table_name_88 WHERE linux = "no" AND amigaos = "no" AND android = "unknown"