sudo, sudoedit - execute a command as another user
sudo -h | -K | -k | -V
sudo -v [-AknS] [-g group] [-h host] [-p prompt] [-u user]
sudo -l [-AknS] [-g group] [-h host] [-p prompt] [-U user] [-u user] [command]
sudo [-AbEHnPS] [-C num] [-g group] [-h host] [-p prompt] [-u user] [VAR=value] [-i | -s] [command]
sudoedit [-AknS] [-C num] [-g group] [-h host] [-p prompt] [-u user] file ...
sudo allows a permitted user to execute a command as the superuser or another user, as specified by the security policy. The invoking user's real (not effective) user ID is used to determine the user name with which to query the security policy.
To switch to a user “looker”
sudo su - lookerTo execute a shell script using a particular user
sudo su - looker -c "sh /home/looker/looker/start.shContent of start.sh
sh /home/looker/looker/looker start;