To change to a different user and create a session as if the other user had logged in from a command prompt, type “su -” followed by a space and the target user’s username. Type the target user’s password when prompted.

How do I switch to single user mode in Linux?

In the GRUB menu, find the kernel line starting with linux /boot/ and add init=/bin/bash at the end of the line. Press CTRL+X or F10 to save the changes and boot the server into single user mode. Once booted the server will boot into root prompt.

How do I change from root to user in Linux?

If you set a root password when you installed the distribution, enter su. To switch to another user and adopt their environment, enter su – followed by the name of the user (for example, su – ted).