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.\" Generator: DocBook XSL Stylesheets v1.73.2 <http://docbook.sf.net/>
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.\" Manual: System Management Commands
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.\" Source: System Management Commands
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.TH "SULOGIN" "8" "04/03/2008" "System Management Commands" "System Management Commands"
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.TH "SULOGIN" "8" "04/15/2009" "System Management Commands" "System Management Commands"
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command is invoked by
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prior to allowing the user access to the system when in single user mode\. This feature may only be available on certain systems where
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prior to allowing the user access to the system when in single user mode\&. This feature may only be available on certain systems where
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has been modified accordingly, or where the
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has an entry for a single user login\.
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has an entry for a single user login\&.
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The user is prompted
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Type control\-d to proceed with normal startup,
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(or give root password for system maintenance):
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Input and output will be performed with the standard file descriptors unless the optional device name argument is provided\.
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Input and output will be performed with the standard file descriptors unless the optional device name argument is provided\&.
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If the user enters the correct root password, a login session is initiated\. When
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If the user enters the correct root password, a login session is initiated\&. When
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is pressed instead, the system enters multi\-user mode\.
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is pressed instead, the system enters multi\-user mode\&.
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After the user exits the single\-user shell, or presses
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\fIEOF\fR, the system begins the initialization process required to enter multi\-user mode\.
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\fIEOF\fR, the system begins the initialization process required to enter multi\-user mode\&.
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This command can only be used if
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\fI/bin/sh\fR, or if the user has set the
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to support a single user login\. For example, the line:
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to support a single user login\&. For example, the line:
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co:s:respawn:/etc/sulogin /dev/console
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should execute the sulogin command in single user mode\.
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should execute the sulogin command in single user mode\&.
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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\.
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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\&.
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.SH "CONFIGURATION"
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The following configuration variables in
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\fI/etc/login\.defs\fR
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\fI/etc/login\&.defs\fR
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change the behavior of this tool:
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\fBENV_HZ\fR (string)
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If set, it will be used to define the HZ environment variable when a user login\. The value must be preceded by
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\fIHZ=\fR\. A common value on Linux is
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If set, it will be used to define the HZ environment variable when a user login\&. The value must be preceded by
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\fIHZ=\fR\&. A common value on Linux is
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\fBENV_TZ\fR (string)
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If set, it will be used to define the TZ environment variable when a user login\. The value can be the name of a timezone preceded by
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If set, it will be used to define the TZ environment variable when a user login\&. The value can be the name of a timezone preceded by
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\fITZ=CST6CDT\fR), or the full path to the file containing the timezone specification (for example
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If a full path is specified but the file does not exist or cannot be read, the default is to use
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User account information\.
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User account information\&.
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Secure user account information\.
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Secure user account information\&.
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man/sulogin.8
