One of the advantages of the single-user mode is that you do not need to use a boot floppy disk or boot CD; however, it still provides you with the option of mounting the file system to read-only mode or simply not to mount the file system.
In single-user mode, your computer is directed to runlevel 1. Your local file system is mounted, but your network is not activated. You have an available system to maintain the shell. Unlike the rescue mode, the single-user mode automatically tries to mount your file system. If your file system cannot be mounted successfully,NoUse the single-user mode. If the running level 1 configuration on your system is corrupted, you cannot use the single-user mode.
If your system is guided but you are not allowed to log on after the boot, you can try to use the single-user mode.
If you are using grub, use the following steps to guide the single-user mode:
If you have configured the GRUB Password, TypePEnter the password.
Select the version with the kernel you want to bootRed Hat LinuxAnd then typeE. You will see a project list in the configuration file used for the selected volume label.
SelectKernelAnd then typeETo edit the row.
Go to the end of the row, and then typeSingle(Press [Space] And then typeSingle). Press [Enter] To exit the editing mode.
Return to the grub screen, TypeBTo guide the single-user mode.
If you are using Lilo, In the Lilo boot prompt (if you are using a graphical Lilo, you must press [CTRL] - [X] To exit the graphical screen and then enterBoot:Prompt) and then type: