How do i boot into single user mode in later redhat releases?

[vaquitasos]

Interrupt the grub boot menu, because the default boot starts.

You will see this screen

Press the e on the keyboard

You will see this screen:

The starts with linux or linux16 is the line you need to change, look for the ro

and replace it with the following
rw init=/sysroot/bin/sh

Press type control-x

You will see this screen:

For changes to the root filesystem.

:/# chroot /sysroot

After changes.

:\# reboot -f