john

Crack password file

$ john [hashes.txt]

$ john --show [hashes.txt]

$ john --wordlist=[wordlist.txt] [hashes.txt]

$ john --format=[md5crypt] [hashes.txt]

$ john --incremental [hashes.txt]

$ john --restore

john [options] [passwordfiles_]

john is John the Ripper, a password security auditing tool. It detects weak passwords through various cracking methods.
The tool supports many hash formats and attack modes. It's used for security testing and password audits.
john audits password security.

PASSWORDFILES_

Files containing hashes.

Show cracked passwords.

Use wordlist attack.

Hash format (md5crypt, sha256, etc.).

Brute force mode.

Resume previous session.

Display help information.

Authorized use only. CPU/GPU intensive. Jumbo version has more formats.

John the Ripper was created by Solar Designer in 1996 and is maintained by Openwall as an open-source password auditing tool.

hashcat(1), unshadow(1), zip2john(1)