sudo - allows a permitted user to execute a command as the superuser or another user

To run command as a root user

$ sudo <command>

$ sudo pwd

To run command as a different user

$ sudo -u user3 <command>

$ sudo -u user3 pwd

To List user privileges with sudo

$ sudo -l

To Display privileges for another user with sudo

$ sudo -l -U user3

To add a user to the sudo group

$ sudo usermod -aG sudo user3

To add users to the sudoers file

$ sudo visudo

To run command in the background

$ sudo -b <command>

To update sudoers files

$ sudo -e <file>

To update the user’s cached credentials

$ sudo -v

To invalidate user’s cached credentials

$ sudo -k

regards,

T.Dhanasekar