nmcli，is a command-line tool for controlling NetworkManager and getting its status.
nm-online，is a utility to find out whether you are online.
nmtui，is an interactive ncurses based interface for nmcli.
nmtui-connect，is an interactive ncurses based interface connection to activate/deactivate connections.
nmtui-edit，is an interactive ncurses based interface connection editor.
nmtui-hostname，is an interactive ncurses based interface hostname editor.
NetworkManager，is the network management daemon.

参考文献

BLFS/NetworkManager-1.4.0