sudo -i, load the user variables, and jump to the target user's home directory;
sudo -s, do not load user variables, not jump catalog;
sudo -i -i added directly run sudo command parameters required to perform the user command can be in the sudoers
sudo -i, load the user variables, and jump to the target user's home directory;
sudo -s, do not load user variables, not jump catalog;
sudo -i -i added directly run sudo command parameters required to perform the user command can be in the sudoers