apt-add-repository
Add package repositories to APT sources
TLDR
This command is an alias of add-apt-repository.
SYNOPSIS
apt-add-repository [options] repository
DESCRIPTION
apt-add-repository is an alternative name for add-apt-repository, used to add APT repositories to the system's sources list on Debian-based distributions.
INSTALL
sudo apt install software-properties-common
SEE ALSO
add-apt-repository(1), apt(8), apt-get(8)