passwd

PASSWD(5)                Dateiformate und konvertierung                PASSWD(5)



NAME
       passwd - die Passwortdatei

BESCHREIBUNG
       /etc/passwd contains one line for each user account, with seven fields
       delimited by colons („:“). These fields are:

       •   Anmeldename

       •   optional verschlüsseltes Passwort

       •   numerische Benutzer-ID

       •   numerische Gruppen-ID

       •   Benutzername oder Kommentarfeld

       •   Home-Verzeichnis des Benutzers

       •   optional Befehlsinterpreter des Benutzers

       If the password field is a lower-case „x“, then the encrypted password is
       actually stored in the shadow(5) file instead; there must be a
       corresponding line in the /etc/shadow file, or else the user account is
       invalid.

       The encrypted password field may be empty, in which case no password is
       required to authenticate as the specified login name. However, some
       applications which read the /etc/passwd file may decide not to permit any
       access at all if the password field is blank.

       A password field which starts with an exclamation mark means that the
       password is locked. The remaining characters on the line represent the
       password field before the password was locked.

       Refer to crypt(3) for details on how this string is interpreted.

       If the password field contains some string that is not a valid result of
       crypt(3), for instance ! or *, the user will not be able to use a unix
       password to log in (but the user may log in the system by other means).

       The comment field is used by various system utilities, such as finger(1).

       The home directory field provides the name of the initial working
       directory. The login program uses this information to set the value of
       the $HOME environmental variable.

       The command interpreter field provides the name of the user's command
       language interpreter, or the name of the initial program to execute. The
       login program uses this information to set the value of the $SHELL
       environmental variable. If this field is empty, it defaults to the value
       /bin/sh.

DATEIEN
       /etc/passwd
           Informationen zu den Benutzerkonten

       /etc/shadow
           optionale Datei für verschlüsseltes Passwort

       /etc/passwd-
           Sicherungskopie von /etc/passwd

           Beachten Sie, dass diese Datei von Werkzeugen der
           Shadow-Werkzeugsammlung verwendet wird, aber nicht von allen
           sonstigen Programmen zur Benutzer- und Passwortverwaltung.

SIEHE AUCH
       crypt(3), getent(1), getpwnam(3), login(1), passwd(1), pwck(8),
       pwconv(8), pwunconv(8), shadow(5), su(1), sulogin(8).



shadow-utils 4.8.1                 23.01.2020                          PASSWD(5)