Post #17816 108 Mar 30, 2023, 20:16 UTC 💬 Understanding /etc/shadow file format on Linux{Updated} In the old days, all Unix and Linux user-encrypted passwords were stored in the world-readable /etc/passwd.. nixCraft Understanding /etc/shadow file format on Linux Understanding /etc/shadow file which contains the encrypted password information for UNIX/Linux user’s accounts & optional the password aging