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1.1 root 1: .TH VT 1C "21 Nov 1988"
2: .\" $Header: /f/osi/vt/RCS/vt.1c,v 7.0 89/11/23 22:31:48 mrose Rel $
3: .\"
4: .\"
5: .\" $Log: vt.1c,v $
6: .\" Revision 7.0 89/11/23 22:31:48 mrose
7: .\" Release 6.0
8: .\"
9: .SH NAME
10: vt \- VT interactive remote login initiator
11: .SH SYNOPSIS
12: .in +.5i
13: .ti -.5i
14: .B vt
15: \%[-g]
16: \%[-D]
17: \%[-f]
18: \%[-F logfile]
19: \%[-B]
20: \%[host]
21: .in -.5i
22: .SH DESCRIPTION
23: The \fIvt\fR program implements the initiator side of
24: a remote login service based on the Virtual Terminal (VT)
25: standard and the VT TELNET profile from the NIST OSI Workshop
26: Implementor's Agreements.
27: .PP
28: The user interface to the service is based on BSD 4.2 TELNET.
29: Command mode is entered by typing an escape character (``^]'' by default)
30: as in TELNET.
31: .SH OPTIONS
32: .TP
33: .B -g
34: Use only the G0 character set for the \fIascii\fR repertoire (graphics only).
35: .TP
36: .B -D
37: Use the VT asynchronous default profile (see ISO 9040) rather than
38: the TELNET profile.
39: .TP
40: .B -B
41: Do not use the VT-BREAK functional unit (see ISO 9040) in negotiating
42: the VT association.
43: .TP
44: .B -F logfile
45: Sets the VT logfile.
46: Note that the pathname of this file is interpreted relatively to the
47: ISODE logging area.
48: To have tracing information written to a file in the current
49: directory,
50: start the filename with \*(lq./\*(rq.
51: .TP
52: .B -f
53: Do not read and execute the commands in the file \fI$HOME/.vtrc\fR on startup.
54: .SH COMMANDS
55: .TP
56: .B open\0host
57: Open an association with the remote login service on the named host.
58: .TP
59: .B close\fR
60: Close the existing association.
61: .TP
62: .B quit\fR
63: Close the association and exit the remote login initiator process.
64: .TP
65: .B escape
66: Set the ``escape character'' used to enter command mode. Control characters
67: may be specified as ``^'' followed by a single letter;
68: e.g. ``control-X'' is ``^X''.
69: .TP
70: .B ayt
71: Send an ``are you there'' message to the remote login server.
72: .TP
73: .B break
74: Send a ``break'' message to flush data queued in both directions
75: and interrupt the remote process.
76: .TP
77: .B help
78: Print a description of the available commands.
79: .TP
80: .B set
81: Configure the VT variables listed below.
82: .TP
83: .B status
84: Prints the current status of VT.
85: .TP
86: .B suspend
87: Suspend
88: .IR vt .
89: This command only works when the user is using the
90: .IR csh .
91: .PP
92: VT commands in $HOME/.vtrc are executed when \fIvt\fR starts
93: up unless the \fI-f\fR flag is used.
94: .SH Variables
95: .PP
96: Variables that can be manipulated with the \fIset\fR
97: command include:
98: .TP
99: .B crmod
100: Toggle carriage return mode. When this mode is enabled
101: any carriage return characters received from the remote
102: host will be mapped into a carriage return and a line
103: feed. This mode does not affect those characters
104: typed by the user, only those received.
105: .TP
106: .B echo
107: Sets the echo mode to remote (ie. responder echoes) with ``set
108: echo remote'' or local (ie. initiator echoes) with ``set
109: echo local''.
110: .TP
111: .B repertoire
112: Sets the character set to \fIascii \fRor \fItransparent\fR
113: (binary).
114: .SH FILES
115: .nf
116: .ta \w'\*(EDisoentities 'u
117: \*(EDisoentities ISODE application entity title database
118: $HOME/\&.vtrc runcom file
119: .fi
120: .SH "SEE ALSO"
121: vtd(8c),
122: .br
123: \fIThe ISO Development Environment: User's Manual\fR,
124: .br
125: ISO DIS 9040, 9041:
126: \fIInformation Processing Systems \-\-
127: Virtual Terminal Service and Protocol\fR
128: .br
129: Implementation Agreements for Open Systems Interconnection Protocols
130: .SH AUTHORS
131: Rick Wilder and Don Chirieleison,
132: The MITRE Corporation.
133: .br
134: Parts of this program are based on the \fItelnet\fR(1c) program supplied with
135: Berkeley UNIX.
136: .SH BUGS
137: .PP
138: \fIvt\fR and \fIvtd\fR need to be brought up to date with BSD 4.3(4?)
139: TELNET.
140: .PP
141: The encodings of the VT PDUs may need to be updated when
142: the International Standard version of ISO 9041 is available.
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