explainshell.com - add-apt-repository(1) - Adds a repository into the /etc/apt/sources.list or /etc/apt/sources.list.d or removes an existing one

add-apt-repository(1) - Adds a repository into the /etc/apt/sources.list or /etc/apt/sources.list.d or removes an existing one

-h, --help Show help message and exit

-r, --remove Remove the specified repository

-y, --yes Assume yes to all queries

-k, --keyserver Use a custom keyserver URL instead of the default