Figure 14: cu command line arguments

Version 2 cu

cu [ -s speed ] [ -aacu ] [ -lline ] [ -h ] [ -o ] [ -e ] telno|dir

-s speed        specify the speed of the connection.  1200 is the
default speed.  Other speeds typically available are
110, 140, 300, 1200, 2400, 4800, and 9600.

-aacu           Specifies the device name of the Automatic Call Unit to
use.  If not specified, cu defaults to the first device
with the correct speed.

-lline          Specify the serial line to use to connect to the remote
system or modem.  If not specified, cu will connect with
the first availble line if 'dir' is specified, or acu
if a telephone number is specified.

-h              Emulates local echo.  The feature is useful for systems
that expect half duplex mode terminals.

-e              Use even parity when calling the remote system.

-o              Use odd parity when calling the remote system.

dir             means that this is a direct connection to the remote
system.

telno           the telephone number of the remote system which
we want to call.

HoneyDanBer UUCP

All of the options in the Verson 2 cu plus:

-d              Debug mode  (on some systems).

-xN             Debug mode.  N is the level of debug information which
you want to see.  (On some systems.)

-n              Prompt the user for the telephone number rather than
accepting it from the command line.

-t              Used to dial an ASCII terminal which is set to
Auto-Answer.

systemname      In addition to the dir and telephone number, a system
name may also be specified.  This system must be
properly configured in the UUCP control files.