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6 .\" Manual: File Formats and Conversions
7 .\" Source: File Formats and Conversions
10 .TH "PASSWD" "5" "07/24/2009" "File Formats and Conversions" "File Formats and Conversions"
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22 passwd \- the password file
27 contains one line for each user account, with seven fields delimited by colons (\(Bq:\(rq)\&. These fields are:
48 optional encrypted password
81 user name or comment field
103 optional user command interpreter
106 The encrypted password field may be blank, in which case no password is required to authenticate as the specified login name\&. However, some applications which read the
108 file may decide not to permit
112 field is blank\&. If the
114 field is a lower\-case
115 \(Bqx\(rq, then the encrypted password is actually stored in the
119 be a corresponding line in the
121 file, or else the user account is invalid\&. If the
123 field is any other string, then it will be treated as an encrypted password, as specified by
126 The comment field is used by various system utilities, such as
129 The home directory field provides the name of the initial working directory\&. The
131 program uses this information to set the value of the
133 environmental variable\&.
135 The command interpreter field provides the name of the user\'s command language interpreter, or the name of the initial program to execute\&. The
137 program uses this information to set the value of the
139 environmental variable\&. If this field is empty, it defaults to the value
145 Informacja o kontach użytkownik\('ow\&.
150 optional encrypted password file
155 Backup file for /etc/passwd\&.
157 Note that this file is used by the tools of the shadow toolsuite, but not by all user and password management tools\&.