cambridge st. john This workbook can be used together with any elementary Commentaries, by students at colleges, seminaries or universities. It applies many of the tools of modern language acquisition to make learning this classical language an acti
John is a password cracker (community-enhanced version with more features bu tlower overall quality).
John the Ripper password cracker.
可以用来恢复忘记的rar、zip、7z等文件密码
这个是增强版哦
John the Ripper，是一个快速的密码破解工具，用于在已知密文的情况下尝试破解出明文的破解密码软件，支持目前大多数的加密算法。如DES、MD4、MD5等。它支持多种不同类型的系统架构，包括Unix、Linux、Windows、DOS模式、BeOS和OpenVMS，主要目的是破解不够牢固的Unix/Linux系统密码。
