'\" t .\" Title: passwd .\" Author: Julianne Frances Haugh .\" Generator: DocBook XSL Stylesheets vsnapshot .\" Date: 23/03/2023 .\" Manual: File Formats and Configuration Files .\" Source: shadow-utils 4.13 .\" Language: French .\" .TH "PASSWD" "5" "23/03/2023" "shadow\-utils 4\&.13" "File Formats and Configuration" .\" ----------------------------------------------------------------- .\" * Define some portability stuff .\" ----------------------------------------------------------------- .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .\" http://bugs.debian.org/507673 .\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html .\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ .ie \n(.g .ds Aq \(aq .el .ds Aq ' .\" ----------------------------------------------------------------- .\" * set default formatting .\" ----------------------------------------------------------------- .\" disable hyphenation .nh .\" disable justification (adjust text to left margin only) .ad l .\" ----------------------------------------------------------------- .\" * MAIN CONTENT STARTS HERE * .\" ----------------------------------------------------------------- .SH "NOM" passwd \- fichier des mots de passe .SH "DESCRIPTION" .PP /etc/passwd contains one line for each user account, with seven fields delimited by colons (\(Fo\ \&:\ \&\(Fc)\&. These fields are: .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} nom de connexion de l\*(Aqutilisateur (\(Fo\ \&login\ \&\(Fc) .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} un mot de passe chiffr\('e optionnel .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} l\*(Aqidentifiant num\('erique de l\*(Aqutilisateur .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} l\*(Aqidentifiant num\('erique du groupe de l\*(Aqutilisateur .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} le nom complet de l\*(Aqutilisateur ou un champ de commentaires .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} le r\('epertoire personnel de l\*(Aqutilisateur .RE .sp .RS 4 .ie n \{\ \h'-04'\(bu\h'+03'\c .\} .el \{\ .sp -1 .IP \(bu 2.3 .\} l\*(Aqinterpr\('eteur de commandes de l\*(Aqutilisateur (optionnel) .RE .PP If the \fIpassword\fR field is a lower\-case \(Fo\ \&x\ \&\(Fc, then the encrypted password is actually stored in the \fBshadow\fR(5) file instead; there \fImust\fR be a corresponding line in the /etc/shadow file, or else the user account is invalid\&. .PP The encrypted \fIpassword\fR 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 \fIany\fR access at all if the \fIpassword\fR field is blank\&. .PP A \fIpassword\fR field which starts with an exclamation mark means that the password is locked\&. The remaining characters on the line represent the \fIpassword\fR field before the password was locked\&. .PP Refer to \fBcrypt\fR(3) for details on how this string is interpreted\&. .PP If the password field contains some string that is not a valid result of \fBcrypt\fR(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)\&. .PP The comment field, also known as the gecos field, is used by various system utilities, such as \fBfinger\fR(1)\&. The use of an ampersand here will be replaced by the capitalised login name when the field is used or displayed by such system utilities\&. .PP The home directory field provides the name of the initial working directory\&. The \fBlogin\fR program uses this information to set the value of the \fB$HOME\fR environmental variable\&. .PP The command interpreter field provides the name of the user\*(Aqs command language interpreter, or the name of the initial program to execute\&. The \fBlogin\fR program uses this information to set the value of the \fB$SHELL\fR environmental variable\&. If this field is empty, it defaults to the value /bin/sh\&. .SH "FICHIERS" .PP /etc/passwd .RS 4 Informations sur les comptes des utilisateurs\&. .RE .PP /etc/shadow .RS 4 un mot de passe chiffr\('e optionnel .RE .PP /etc/passwd\- .RS 4 Fichier de sauvegarde de /etc/passwd\&. .sp Notez que ce fichier est utilis\('e par les outils de la suite d\*(Aqoutils shadow, mais pas par tous les outils de gestion d\*(Aqutilisateurs et de mot de passes\&. .RE .SH "VOIR AUSSI" .PP \fBcrypt\fR(3), \fBgetent\fR(1), \fBgetpwnam\fR(3), \fBlogin\fR(1), \fBpasswd\fR(1), \fBpwck\fR(8), \fBpwconv\fR(8), \fBpwunconv\fR(8), \fBshadow\fR(5), \fBsu\fR(1), \fBsulogin\fR(8)\&.