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Интерактивная система просмотра системных руководств (man-ов)

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tip (1)
  • tip (1) ( Solaris man: Команды и прикладные программы пользовательского уровня )
  • >> tip (1) ( FreeBSD man: Команды и прикладные программы пользовательского уровня )

  • BSD mandoc
     

    NAME

    
    
    tip
    
     - connect to a remote system
    
     
    

    SYNOPSIS

    [-nv ] [-speed ] [system-name ]  

    DESCRIPTION

    The utility establishes 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 options are as follows:

    -n
    No escape (disable tilde).
    -v
    Set verbose mode.

    If speed is specified, it will override any baudrate specified in the system description being used.

    If neither speed nor system-name are specified, system-name will be set to the value of the HOST environment variable.

    If speed is specified but system-name is not, system-name will be set to a value of ``tip '' with speed appended. For example, -1200 will set system-name to ``tip1200 ''

    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:

    ~^D or ~.
    Drop the connection and exit. Only the connection is dropped - the login session is not terminated.
    ~c [name ]
    Change directory to name (no argument implies change to home directory).
    ~!
    Escape to a shell (exiting the shell will return to )
    ~>
    Copy file from local to remote. The utility prompts for the name of a local file to transmit.
    ~<
    Copy file from remote to local. The utility prompts first for the name of the file to be sent, then for a command to be executed on the remote machine.
    ~p from [to ]
    Send a file to a remote UNIX host. This command causes the remote UNIX system to run the following command string, sending it the from file:

    "stty -echo; cat > 'to'; stty echo"

    If the to file is not specified, the from file name is used. This command is actually a UNIX specific version of the ~> command.

    ~t from [to ]
    Take a file from a remote UNIX host. As in the ~p command, the to file defaults to the from file name if it is not specified. The remote host executes the following command string to send the file to :

    "cat 'from'; echo '' | tr '\012' '\01'"
    ~|
    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.
    ~C
    Fork a child process on the local system to perform special protocols such as XMODEM The child program will be run with the following arrangement of file descriptors:
    0 <-> remote tty in
    1 <-> remote tty out
    2 <-> local tty stderr
    
    ~#
    Send a BREAK to the remote system. For systems which do not support the necessary ioctl ();
    call, the break is simulated by a sequence of line speed changes and DEL characters.
    ~s
    Set a variable (see the discussion below).
    ~v
    List all variables and their values (if set).
    ~^Z
    Stop (only available with job control).
    ~^Y
    Stop only the ``local side'' of (only available with job control); the ``remote side'' of , the side that displays output from the remote host, is left running.
    ~?
    Get a summary of the tilde escapes.

    To find the system description, and thus the operating characteristics of system-name searches for a system description with a name identical to system-name The search order is as follows:

    1. If the environment variable REMOTE does not start with a `/' it is assumed to be a system description, and is considered first.
    2. If the environment variable REMOTE begins with a `/' it is assumed to be a path to a remote(5) database, and the specified database is searched.
    3. The default remote(5) database, /etc/remote is searched.

    See remote(5) for full documentation on system descriptions.

    The br capability is used in system descriptions to specify the baud rate with which to establish a connection. If the value specified is not suitable, the baud rate to be used may be given on the command line, e.g. ``tip -300 mds ''

    When establishes a connection, it sends out the connection message specified in the cm capability of the system description being used.

    When prompts for an argument, for example 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 dialogue and return the user to the remote machine.

    The utility guards against multiple users connecting to a remote system by opening modems and terminal lines with exclusive access, and by honoring the locking protocol used by uucico(8)PqPaports/net/freebsd-uucp.

    During file transfers 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 normally depend on hardwareflow or tandem mode for flow control. If the remote system does not support hardwareflow or tandem mode, echocheck may be set to indicate that should synchronize with the remote system on the echo of each transmitted character.

    When must dial a phone number to connect to a system, it will print various messages indicating its actions. The utility supports a variety of auto-call units and modems with the at capability in system descriptions.

    Support for Ventel 212+ (ventel), Hayes AT-style (hayes), USRobotics Courier (courier), Telebit T3000 (t3000) and Racal-Vadic 831 (vadic) units is enabled by default.

    Support for Bizcomp 1031[fw] (biz31[fw]), Bizcomp 1022[fw] (biz22[fw]), DEC DF0[23]-AC (df0[23]), DEC DN-11 (dn11) and Racal-Vadic 3451 (v3451) units can be added by recompiling with the appropriate defines.

    Note that if support for both the Racal-Vadic 831 and 3451 is enabled, they are referred to as the v831 and v3451, respectively. If only one of the two is supported, it is referred to as vadic.  

    Variables

    The utility maintains a set of variables which control its operation. Some of these variables 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 example, ``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 concatenating 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 the initialization file ~/.tiprc the -v option additionally causes 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:

    baudrate
    (Vt num ) The baud rate at which the connection was established; abbreviated ba
    beautify
    (Vt bool ) Discard unprintable characters when a session is being scripted; abbreviated be
    dialtimeout
    (Vt num ) When dialing a phone number, the time (in seconds) to wait for a connection to be established; abbreviated dial
    echocheck
    (Vt bool ) Synchronize with the remote host during file transfer by waiting for the echo of the last character transmitted; default is off
    eofread
    (Vt str ) The set of characters which signify an end-of-transmission during a ~< file transfer command; abbreviated eofr
    eofwrite
    (Vt str ) The string sent to indicate end-of-transmission during a ~> file transfer command; abbreviated eofw
    eol
    (Vt str ) The set of characters which indicate an end-of-line. The utility will recognize escape characters only after an end-of-line.
    escape
    (Vt char ) The command prefix (escape) character; abbreviated es default value is `~'
    exceptions
    (Vt str ) The set of characters which should not be discarded due to the beautification switch; abbreviated ex default value is ``\t\n\f\b ''
    force
    (Vt char ) The character used to force literal data transmission; abbreviated fo default value is `^P'
    framesize
    (Vt num ) The amount of data (in bytes) to buffer between file system writes when receiving files; abbreviated fr
    hardwareflow
    (Vt bool ) Whether hardware flow control (CRTSCTS) is enabled for the connection; abbreviated hf default value is off
    host
    (Vt str ) The name of the host to which you are connected; abbreviated ho
    linedisc
    (Vt num ) The line discipline to use; abbreviated ld
    prompt
    (Vt char ) The character which indicates an end-of-line on the remote host; abbreviated pr 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 receipt of this character.
    raise
    (Vt bool ) Upper case mapping mode; abbreviated ra default value is off When this mode is enabled, all lowercase letters will be mapped to uppercase by for transmission to the remote machine.
    raisechar
    (Vt char ) The input character used to toggle uppercase mapping mode; abbreviated rc not set by default.
    record
    (Vt str ) The name of the file in which a session script is recorded; abbreviated rec default value is tip.record
    script
    (Vt bool ) Session scripting mode; abbreviated sc default is off When script is true will record everything transmitted by the remote machine in the script record file specified in record If the beautify switch is on, only printable ASCII characters will be included in the script file (those characters between 040 and 0177). The variable exceptions is used to indicate characters which are an exception to the normal beautification rules.
    tabexpand
    (Vt bool ) Expand tabs to spaces during file transfers; abbreviated tab default value is false Each tab is expanded to 8 spaces.
    tandem
    (Vt bool ) Use XON/XOFF flow control to throttle data from the remote host; abbreviated ta The default value is true unless the nt capability has been specified in /etc/remote in which case the default value is false
    verbose
    (Vt bool ) Verbose mode; abbreviated verb default is true When verbose mode is enabled, prints messages while dialing, shows the current number of lines transferred during a file transfer operations, and more.

     

    ENVIRONMENT

    HOME
    The home directory to use for the ~c command.
    HOST
    The default value for system-name if none is specified via the command line.
    PHONES
    A path to a phones(5) database.
    REMOTE
    A system description, or an absolute path to a remote(5) system description database.
    SHELL
    The name of the shell to use for the ~! command; default value is ``/bin/sh ''

     

    FILES

    ~/.tiprc
    initialization file
    tip.record
    record file
    /etc/phones
    default phones(5) file
    /etc/remote
    global remote(5) database
    /var/log/aculog
    line access log
    /var/spool/lock/LCK..*
    lock file to avoid conflicts with uucp(1)PqPaports/net/freebsd-uucp

     

    SEE ALSO

    cu(1), phones(5), remote(5)  

    HISTORY

    The command appeared in BSD 4.2  

    BUGS

    The full set of variables is undocumented and should, probably, be pared down.


     

    Index

    NAME
    SYNOPSIS
    DESCRIPTION
    Variables
    ENVIRONMENT
    FILES
    SEE ALSO
    HISTORY
    BUGS


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