. "9.0 (55161)" . . "Keychain is password management system in OS X developed by Apple. It was introduced with Mac OS 8.6, and has been included in all subsequent versions of Mac OS, including OS X. A Keychain can contain various types of data: passwords (for websites, FTP servers, SSH accounts, network shares, wireless networks, groupware applications, encrypted disk images), private keys, certificates, and secure notes."@en . . "Keychain"@en . "Keychain Access"@en . . "2014-10-16Z"^^ . . . .