Master Single-User Login with sulogin: Syntax, Options, and Example
This guide explains how to use the sulogin command for single‑user login, detailing its syntax, available options such as -p and -t, and provides a practical example illustrating the login process without loading profile files.
sulogin: Single-User Login
Function Description:
Using the sulogin command allows a single-user login; the shell will not read /etc/profile or $HOME/.profile during startup.
Syntax:
sulogin [options] [ TTY ]Option Meanings:
The options are defined as follows:
-p : The single-user shell invokes a dash as the first character of the argument.
-t : The program will wait for user input for the specified number of seconds.
Example:
Perform a Single-User Login
[root@host131 ~]# sulogin
Give root password for maintenance
(or press Control-D to continue): // input user passwordSigned-in readers can open the original source through BestHub's protected redirect.
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