fix up Nm usage
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lukem
parent
914f235803
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48f0a88e92
@ -1,4 +1,4 @@
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.\" $NetBSD: tn3270.1,v 1.6 1998/04/28 06:00:57 fair Exp $
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.\" $NetBSD: tn3270.1,v 1.7 1998/06/08 12:34:15 lukem Exp $
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.\"
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.\" Copyright (c) 1986, 1990 The Regents of the University of California.
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.\" All rights reserved.
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@ -32,7 +32,7 @@
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.\" SUCH DAMAGE.
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.\"
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.\" from: @(#)tn3270.1 4.6 (Berkeley) 7/27/91
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.\" $NetBSD: tn3270.1,v 1.6 1998/04/28 06:00:57 fair Exp $
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.\" $NetBSD: tn3270.1,v 1.7 1998/06/08 12:34:15 lukem Exp $
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.\"
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.Dd July 27, 1991
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.Dt TN3270 1
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@ -42,13 +42,13 @@
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.Nd full-screen remote login to
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.Tn IBM VM/CMS
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.Sh SYNOPSIS
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.Nm tn3270
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.Nm
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.Op Fl d
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.Op Fl n Ar filename
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.Op Fl t Ar commandname
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.Op Ar sysname Op port
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.Sh DESCRIPTION
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.Nm Tn3270
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.Nm
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permits a full-screen, full-duplex connection
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from a
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.Ux
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@ -56,7 +56,7 @@ machine
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to an
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.Tn IBM
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(or compatible) machine.
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.Nm Tn3270
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.Nm
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gives the appearance of being logged in
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to the remote machine
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from an
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@ -64,12 +64,12 @@ from an
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3270 terminal.
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Of course, you must have an account on the machine
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to which you connect in order to log in.
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.Nm Tn3270
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.Nm
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looks to the user in many respects
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like the Yale
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.Tn ASCII
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Terminal Communication System II.
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.Nm Tn3270
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.Nm
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is actually a modification of the Arpanet
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.Tn TELNET
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user interface (see
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@ -78,7 +78,7 @@ which will, in certain circumstances, interpret and generate
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raw 3270 control streams.
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.Pp
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The flags to
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.Nm tn3270
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.Nm
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are as follows:
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.Bl -tag -width indent
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.It Fl d
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@ -106,7 +106,7 @@ command (see below).
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.It Ar port
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The port to connect to on the remote system.
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Normally,
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.Nm tn3270
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.Nm
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attempts to connect to the
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standard
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.Tn TELNET
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@ -115,26 +115,26 @@ port (port
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.El
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.Pp
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When
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.Nm tn3270
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.Nm
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first connects to the remote system, it will negotiate to go into
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3270 mode.
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Part of this negotiation involves telling the remote system what model
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3270 it is emulating.
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In all cases,
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.Nm tn3270
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.Nm
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emulates a 3278 terminal.
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To decide which specific model,
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.Nm tn3270
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.Nm
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looks at the number of lines and columns on the actual terminal (as
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defined in the
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.Ev TERM
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environment variable; see
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.Xr termcap 5 ) .
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The terminal (or window in which
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.Nm tn3270
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.Nm
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is running, on multiple
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window systems) must have at least 80 columns and 24 lines, or
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.Nm tn3270
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.Nm
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will not go into emulation mode.
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If the terminal does have at least 80 columns and at least 24 lines,
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the following table describes the emulation:
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@ -158,7 +158,7 @@ process.
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This emulation involves mapping
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3270-style commands from the host
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into appropriate sequences to control the user's terminal screen.
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.Nm Tn3270
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.Nm
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uses
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.Xr curses 3
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and the
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@ -187,11 +187,11 @@ Any special function keys on the
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keyboard are used whenever possible.
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If an entry for the user's terminal
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is not found,
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.Nm tn3270
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.Nm
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looks for an entry for the terminal type
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.Em unknown .
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If this is not found,
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.Nm tn3270
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.Nm
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uses a default keyboard mapping
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(see
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.Xr map3270 5 ) .
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@ -206,7 +206,7 @@ a control character, or an
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delete
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.Pq Tn DEL .
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If the user types an unrecognized function key sequence,
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.Nm tn3270
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.Nm
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sends an
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.Tn ASCII
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bell
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@ -218,13 +218,13 @@ and nothing is sent to the
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host.
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.Pp
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If
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.Nm tn3270
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.Nm
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is invoked without specifying a remote host system name,
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it enters local command mode,
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indicated by the prompt
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.Dq Li tn3270>\ .
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In this mode,
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.Nm tn3270
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.Nm
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accepts and executes
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all the commands of
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.Xr telnet 1 ,
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@ -239,11 +239,11 @@ command for
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4994 style transparent mode processing.
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.El
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.Pp
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.Nm Tn3270
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.Nm
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command mode may also be entered, after connecting to a host, by typing
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a special escape sequence.
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If
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.Nm tn3270
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.Nm
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has succeeded in negotiating 3270 mode with the remote host, the
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escape sequence will be as defined by the map3270 (see
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.Xr map3270 5 )
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@ -274,7 +274,7 @@ or by typing ``quit'' or ``close'' while in local command mode.
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The
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.Tn IBM
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4994 style transparent mode command is invoked when
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.Nm tn3270
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.Nm
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receives
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.Tn IBM
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4994 style transparent output from the remote host.
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@ -301,14 +301,14 @@ and
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.Dv CRMOD
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turned off.
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.Sh ENVIRONMENT
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.Nm Tn3270
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.Nm
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checks the following environment variables:
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.Ev TERM ,
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.Ev MAP3270 ,
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.Ev MAP3270[A...] .
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Information on these can be found in
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.Xr mset 1 .
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.Nm Tn3270
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.Nm
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also checks
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.Ev SHELL ,
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.Ev KEYBD
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@ -328,11 +328,11 @@ and
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.Re
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.Sh HISTORY
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The
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.Nm tn3270
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.Nm
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command appeared in
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.Bx 4.3 .
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.Sh BUGS
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.Nm Tn3270
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.Nm
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is slow and uses system resources prodigiously.
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.Pp
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Not all 3270 functions are supported,
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