![]() ![]() the number of days left before the user is allowed to change her password again. Minimum : The minimum number of days required between password changes i.e.An empty field means that password aging features are disabled. The value 0 has a special meaning, which is that the user should change her password the next time she will log in the system. Last password change (lastchanged) : The date of the last password change, expressed as the number of days since (Unix time).Usually password format is set to $id$salt$hashed, The $id is the algorithm used On GNU/Linux as follows: The password should be minimum 15-20 characters long including special characters, digits, lower case alphabetic and more. Password : Your encrypted password is in hash format. ![]() Username : A valid account name, which exist on the system.etc/shadow file format (click to enlarge)Īs with the /etc/passwd, each field in the shadow file is also separated with “:” colon characters as follows: ![]()
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