74 lines
2.1 KiB
Groff
74 lines
2.1 KiB
Groff
.\" ** You probably do not want to edit this file directly **
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.\" It was generated using the DocBook XSL Stylesheets (version 1.69.0).
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.\" Instead of manually editing it, you probably should edit the DocBook XML
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.\" source for it and then use the DocBook XSL Stylesheets to regenerate it.
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.TH "PASSWD" "5" "08/03/2005" "" ""
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.\" disable hyphenation
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.nh
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.\" disable justification (adjust text to left margin only)
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.ad l
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.SH "NAME"
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passwd \- The password file
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.SH "DESCRIPTION"
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.PP
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\fI/etc/passwd\fR
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contains various pieces of information for each user account. Included is:
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.TP 3
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\(bu
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login name
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.TP
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\(bu
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optional encrypted password
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.TP
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\(bu
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numerical user ID
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.TP
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\(bu
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numerical group ID
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.TP
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\(bu
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user name or comment field
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.TP
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\(bu
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user home directory
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.TP
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\(bu
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user command interpreter
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.PP
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The password field may not be filled if shadow passwords have been enabled. If shadow passwords are being used, the encrypted password will be found in
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\fI/etc/shadow\fR. The encrypted password consists of characters from the 64 characters alphabet a thru z, A thru Z, 0 thru 9, \\. and /. Optionally it can start with a "$" character. This means the encrypted password was generated using another (not DES) algorithm. For example if it starts with "$1$" it means the MD5\-based algorithm was used. Refer to
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\fBcrypt\fR(3)
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for details on how this string is interpreted.
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.PP
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The comment field is used by various system utilities, such as
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\fBfinger\fR(1).
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.PP
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The home directory field provides the name of the initial working directory.
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\fILogin\fR
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uses this information to set the value of the
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\fB$HOME\fR
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environmental variable.
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.PP
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The command interpreter field provides the name of the user's command language interpreter, or the name of the initial program to execute.
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\fILogin\fR
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uses this information to set the value of the
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\fB$SHELL\fR
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environmental variable. If this field is empty, it defaults to the value
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\fI/bin/sh\fR.
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.SH "FILES"
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.TP
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\fI/etc/passwd\fR
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user account information
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.SH "SEE ALSO"
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.PP
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\fBlogin\fR(1),
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\fBpasswd\fR(1),
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\fBsu\fR(1),
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\fBshadow\fR(5),
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\fBpwconv\fR(8),
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\fBpwunconv\fR(8),
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\fBsulogin\fR(8)
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.SH "AUTHOR"
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.PP
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Julianne Frances Haugh (jockgrrl@ix.netcom.com)
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