4.3BSD-Reno/share/man/cat1/tip.0
TIP(1) UNIX Reference Manual TIP(1)
NNAAMMEE
ttiipp, ccuu - connect to a remote system
SSYYNNOOPPSSIISS
ttiipp [--vv] --_s_p_e_e_d _s_y_s_t_e_m-_n_a_m_e
ttiipp [--vv] --_s_p_e_e_d _p_h_o_n_e-_n_u_m_b_e_r
ccuu _p_h_o_n_e-_n_u_m_b_e_r [--tt] [--ss _s_p_e_e_d] [--aa _a_c_u] [--ll _l_i_n_e] [--##]
DDEESSCCRRIIPPTTIIOONN
TTiipp and _c_u establish a full-duplex connection to another machine, giving
the appearance of being logged in directly on the remote cpu. It goes
without saying that you must have a login on the machine (or equivalent)
to which you wish to connect. The preferred interface is ttiipp. The _c_u
interface is included for those people attached to the ``call UNIX'' com-
mand of version 7. This manual page describes only ttiipp.
Available Option:
--vv Set verbose mode.
Typed characters are normally transmitted directly to the remote machine
(which does the echoing as well). A tilde (`~') appearing as the first
character of a line is an escape signal; the following are recognized:
~~^^DD ~~.
Drop the connection and exit (you may still be logged in on the re-
mote machine).
~~cc [_n_a_m_e]
Change directory to _n_a_m_e (no argument implies change to your home
directory).
~~!! Escape to a shell (exiting the shell will return you to tip).
~~>> Copy file from local to remote. TTiipp prompts for the name of a lo-
cal file to transmit.
~~<< Copy file from remote to local. TTiipp prompts first for the name of
the file to be sent, then for a command to be executed on the re-
mote machine.
~~pp _f_r_o_m [_t_o]
Send a file to a remote UNIX host. The put command causes the
remote UNIX system to run the command string ``cat > 'to''', while
ttiipp sends it the ``from'' file. If the ``to'' file isn't specified
the ``from'' file name is used. This command is actually a UNIX
specific version of the ``~>'' command.
~~tt _f_r_o_m [_t_o]
Take a file from a remote UNIX host. As in the put command the
``to'' file defaults to the ``from'' file name if it isn't
specified. The remote host executes the command string ``cat
'from';echo ^A'' to send the file to ttiipp.
~~ Pipe the output from a remote command to a local UNIX process. The
command string sent to the local UNIX system is processed by the
shell.
~~$$ Pipe the output from a local UNIX process to the remote host. The
command string sent to the local UNIX system is processed by the
shell.
~~## Send a BREAK to the remote system. For systems which don't support
the necessary _i_o_c_t_l call the break is simulated by a sequence of
line speed changes and DEL characters.
~~ss Set a variable (see the discussion below).
~~^^ZZ Stop ttiipp (only available with job control).
~~^^YY Stop only the ``local side'' of ttiipp (only available with job con-
trol); the ``remote side'' of ttiipp, the side that displays output
from the remote host, is left running.
~~?? Get a summary of the tilde escapes
TTiipp uses the file /_e_t_c/_r_e_m_o_t_e to find how to reach a particular system
and to find out how it should operate while talking to the system; refer
to remote(5) for a full description. Each system has a default baud rate
with which to establish a connection. If this value is not suitable, the
baud rate to be used may be specified on the command line, e.g. ``tip
-300 mds''.
When ttiipp establishes a connection it sends out a connection message to
the remote system; the default value, if any, is defined in /_e_t_c/_r_e_m_o_t_e
(see remote(5)).
When ttiipp prompts for an argument (e.g. during setup of a file transfer)
the line typed may be edited with the standard erase and kill characters.
A null line in response to a prompt, or an interrupt, will abort the di-
alogue and return you to the remote machine.
TTiipp guards against multiple users connecting to a remote system by open-
ing modems and terminal lines with exclusive access, and by honoring the
locking protocol used by uucp(1).
During file transfers ttiipp provides a running count of the number of lines
transferred. When using the ~> and ~< commands, the ``eofread'' and
``eofwrite'' variables are used to recognize end-of-file when reading,
and specify end-of-file when writing (see below). File transfers normal-
ly depend on tandem mode for flow control. If the remote system does not
support tandem mode, ``echocheck'' may be set to indicate ttiipp should syn-
chronize with the remote system on the echo of each transmitted charac-
ter.
When ttiipp must dial a phone number to connect to a system it will print
various messages indicating its actions. TTiipp supports the DEC DN-11 and
Racal-Vadic 831 auto-call-units; the DEC DF02 and DF03, Ventel 212+,
Racal-Vadic 3451, and Bizcomp 1031 and 1032 integral call unit/modems.
VVAARRIIAABBLLEESS
TTiipp maintains a set of _v_a_r_i_a_b_l_e_s which control its operation. Some of
these variable are read-only to normal users (root is allowed to change
anything of interest). Variables may be displayed and set through the
``s'' escape. The syntax for variables is patterned after vi(1) and
Mail(1). Supplying ``all'' as an argument to the set command displays
all variables readable by the user. Alternatively, the user may request
display of a particular variable by attaching a `?' to the end. For ex-
ample ``escape?'' displays the current escape character.
Variables are numeric, string, character, or boolean values. Boolean
variables are set merely by specifying their name; they may be reset by
prepending a `!' to the name. Other variable types are set by con-
catenating an `=' and the value. The entire assignment must not have any
blanks in it. A single set command may be used to interrogate as well as
set a number of variables. Variables may be initialized at run time by
placing set commands (without the ``~s'' prefix in a file ._t_i_p_r_c in one's
home directory). The --vv option causes ttiipp to display the sets as they
are made. Certain common variables have abbreviations. The following is
a list of common variables, their abbreviations, and their default
values.
_b_e_a_u_t_i_f_y (bool) Discard unprintable characters when a session is being
scripted; abbreviated _b_e.
_b_a_u_d_r_a_t_e (num) The baud rate at which the connection was established;
abbreviated _b_a.
_d_i_a_l_t_i_m_e_o_u_t
(num) When dialing a phone number, the time (in seconds) to
wait for a connection to be established; abbreviated _d_i_a_l.
_e_c_h_o_c_h_e_c_k (bool) Synchronize with the remote host during file transfer
by waiting for the echo of the last character transmitted;
default is _o_f_f.
_e_o_f_r_e_a_d (str) The set of characters which signify and end-of-
tranmission during a ~< file transfer command; abbreviated
_e_o_f_r.
_e_o_f_w_r_i_t_e (str) The string sent to indicate end-of-transmission during
a ~> file transfer command; abbreviated _e_o_f_w.
_e_o_l (str) The set of characters which indicate an end-of-line.
TTiipp will recognize escape characters only after an end-of-
line.
_e_s_c_a_p_e (char) The command prefix (escape) character; abbreviated _e_s;
default value is `~'.
_e_x_c_e_p_t_i_o_n_s
(str) The set of characters which should not be discarded due
to the beautification switch; abbreviated _e_x; default value
is ``\t\n\f\b''.
_f_o_r_c_e (char) The character used to force literal data transmission;
abbreviated _f_o; default value is `^P'.
_f_r_a_m_e_s_i_z_e (num) The amount of data (in bytes) to buffer between file
system writes when receiving files; abbreviated _f_r.
_h_o_s_t (str) The name of the host to which you are connected; abbre-
viated _h_o.
_p_r_o_m_p_t (char) The character which indicates and end-of-line on the
remote host; abbreviated _p_r; default value is `\n'. This
value is used to synchronize during data transfers. The
count of lines transferred during a file transfer command is
based on recipt of this character.
_r_a_i_s_e (bool) Upper case mapping mode; abbreviated _r_a; default value
is _o_f_f. When this mode is enabled, all lower case letters
will be mapped to upper case by ttiipp for transmission to the
remote machine.
_r_a_i_s_e_c_h_a_r (char) The input character used to toggle upper case mapping
mode; abbreviated _r_c; default value is `^A'.
_r_e_c_o_r_d (str) The name of the file in which a session script is
recorded; abbreviated _r_e_c; default value is ``tip.record''.
_s_c_r_i_p_t (bool) Session scripting mode; abbreviated _s_c; default is
_o_f_f. When _s_c_r_i_p_t is true, ttiipp will record everything
transmitted by the remote machine in the script record file
specified in _r_e_c_o_r_d. If the _b_e_a_u_t_i_f_y switch is on, only
printable ASCII characters will be included in the script
file (those characters betwee 040 and 0177). The variable
_e_x_c_e_p_t_i_o_n_s is used to indicate characters which are an excep-
tion to the normal beautification rules.
_t_a_b_e_x_p_a_n_d (bool) Expand tabs to spaces during file transfers; abbrevi-
ated _t_a_b; default value is _f_a_l_s_e. Each tab is expanded to 8
spaces.
_v_e_r_b_o_s_e (bool) Verbose mode; abbreviated _v_e_r_b; default is _t_r_u_e. When
verbose mode is enabled, ttiipp prints messages while dialing,
shows the current number of lines transferred during a file
transfer operations, and more.
EENNVVIIRROONNMMEENNTT
TTiipp uses the following environment variables:
SHELL (str) The name of the shell to use for the ~! command; default
value is ``/bin/sh'', or taken from the environment.
HOME (str) The home directory to use for the ~c command; default
value is taken from the environment.
HOST Check for a default host if none specified.
The variables ${REMOTE} and ${PHONES} are also exported.
FFIILLEESS
/_e_t_c/_r_e_m_o_t_e global system descriptions
/_e_t_c/_p_h_o_n_e_s global phone number data base
${REMOTE} private system descriptions
${PHONES} private phone numbers
~/.tiprc initialization file.
_t_i_p._r_e_c_o_r_d record file
/var/log/aculog line access log
/_v_a_r/_s_p_o_o_l/_u_u_c_p/_L_C_K..* lock file to avoid conflicts with uucp
DDIIAAGGNNOOSSTTIICCSS
Diagnostics are, hopefully, self explanatory.
SSEEEE AALLSSOO
remote(5), phones(5)
HHIISSTTOORRYY
TTiipp appeared in 4.2 BSD.
BBUUGGSS
The full set of variables is undocumented and should, probably, be paired
down.