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'\" t
.\" Title: sulogin
.\" Author: Julianne Frances Haugh
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\" Date: 21/06/2024
.\" Manual: System Management Commands
.\" Source: shadow-utils 4.15.2
.\" Language: Ukrainian
.\"
.TH "sulogin" "8" "21/06/2024" "shadow\-utils 4\&.15\&.2" "System Management Commands"
.\" -----------------------------------------------------------------
.\" * 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
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.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "НАЗВА"
sulogin \- Single\-user login
.SH "СИНТАКСИС"
.PP
\fBsulogin\fR
[\fItty\-device\fR]
.SH "ОПИС"
.PP
The
\fBsulogin\fR
command is invoked by
\fBinit\fR
prior to allowing the user access to the system when in single user mode\&. This feature may only be available on certain systems where
\fBinit\fR
has been modified accordingly, or where the
/etc/inittab
has an entry for a single user login\&.
.PP
The user is prompted
.PP
Type control\-d to proceed with normal startup,
(or give root password for system maintenance):
.PP
Input and output will be performed with the standard file descriptors unless the optional device name argument is provided\&.
.PP
If the user enters the correct root password, a login session is initiated\&. When
\fIEOF\fR
is pressed instead, the system enters multi\-user mode\&.
.PP
After the user exits the single\-user shell, or presses
\fIEOF\fR, the system begins the initialization process required to enter multi\-user mode\&.
.SH "ЗАСТЕРЕЖЕННЯ"
.PP
This command can only be used if
\fBinit\fR
has been modified to call
\fBsulogin\fR
instead of
/bin/sh, or if the user has set the
\fIinittab\fR
to support a single user login\&. For example, the line:
.PP
co:s:respawn:/etc/sulogin /dev/console
.PP
should execute the sulogin command in single user mode\&.
.PP
As complete an environment as possible is created\&. However, various devices may be unmounted or uninitialized and many of the user commands may be unavailable or nonfunctional as a result\&.
.SH "НАЛАШТУВАННЯ"
.PP
The following configuration variables in
/etc/login\&.defs
change the behavior of this tool:
.SH "ФАЙЛИ"
.PP
/etc/passwd
.RS 4
Відомості щодо облікових записів користувача\&.
.RE
.PP
/etc/shadow
.RS 4
Відомості щодо захищених облікових записів користувачів\&.
.RE
.SH "ДИВ\&. ТАКОЖ"
.PP
\fBlogin\fR(1),
\fBsh\fR(1),
\fBinit\fR(8)\&.
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