CU(1) - General Commands Manual # CU(1) - General Commands Manual NAME # cu - serial terminal emulator SYNOPSIS # cu [-dr] [-E escape_char] [-l line] [-s speed | -‌speed] cu [host] DESCRIPTION # cu is used to connect to another system over a serial link. In the era before modern networks, it was typically used to connect to a modem in order to dial in to a remote host. ...
PPPD(8) - System Manager’s Manual # PPPD(8) - System Manager’s Manual NAME # pppd - Point-to-Point Protocol daemon SYNOPSIS # pppd [tty_name] [speed] [options] DESCRIPTION # PPP is the protocol used for establishing internet links over dial-up modems, DSL connections, and many other types of point-to-point links. The pppd daemon works together with the kernel ppp(4) driver to establish and maintain a PPP link with another system (called the peer) and to negotiate Internet Protocol (IP) addresses for each end of the link. ...