sudo command in Linux means sudo allows a permitted user to execute a command as the superuser or another user, as specified by the security policy.
sudo -V | -h | -l | -L | -v | -k | -K | -s | [ -H ] [-P ] [-S ] [ -b ] |
[ -p prompt ] [ -c class|- ] [ -a auth_type ] [-r role ] [-t type ]
[ -u username|#uid ] command
On the man page, the describes it
sudo– execute a command as another user.
sudo– More details information about sudo command.
sudo command in Linux with Examples
$ sudo yum install nginx