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Customizing UNIX system startup

Changing to single-user state (system state s)

Some administrative functions can be done only when the system is in single-user state.

The recommended way to enter single-user state to run the shutdown -is command. This command executes all the files in the /etc/rc0.d directory by invoking the /sbin/rc0 procedure. The shutdown command accomplishes, among other things, the following:


NOTE: An init 1 or an init s issued from multiuser mode functions in a similar manner, but does not unmount filesystems would and does not kill all processes and services.

Use this procedure to change to single-user state:

  1. Log in as root.

  2. Navigate to the / (root) directory.

  3. Execute:

    shutdown -is

  4. At the prompt to continue, type y and press <Esc> .

    After the change to single-user state is complete, you are prompted for the root password.

  5. Type the root password and press <Esc>; You are now ready to perform tasks that should be done only in single-user state.

Next topic: Changing to multi-user state (system state 2)
Previous topic: Changing system states after powerup

© 2004 The SCO Group, Inc. All rights reserved.
UnixWare 7 Release 7.1.4 - 22 April 2004