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+# tio - a simple TTY terminal I/O application
+
+[![Build Status](https://travis-ci.org/tio/tio.svg?branch=master)](https://travis-ci.org/tio/tio)
+
+## 1. Introduction
+
+tio is a simple TTY terminal application which features a straightforward
+commandline interface to easily connect to TTY devices for basic input/output.
+
+It was created because the author needed a simple no-nonsense TTY terminal
+application to easily connect to various terminal TTY devices.
+
+
+## 2. Usage
+
+The commandline interface is straightforward as reflected in the output from
+'tio --help':
+```
+    Usage: tio [<options>] <tty device>
+
+    Options:
+      -b, --baudrate <bps>        Baud rate (default: 115200)
+      -d, --databits 5|6|7|8      Data bits (default: 8)
+      -f, --flow hard|soft|none   Flow control (default: none)
+      -s, --stopbits 1|2          Stop bits (default: 1)
+      -p, --parity even|odd|none  Parity (default: none)
+      -o, --output-delay <ms>     Output delay (default: 0)
+      -n, --no-autoconnect        Disable automatic connect
+      -l, --log <filename>        Log to file
+      -m, --map <flags>           Map special characters
+      -v, --version               Display version
+      -h, --help                  Display help
+
+    In session, press ctrl-t q to quit.
+```
+
+The only option which requires a bit of elaboration is perhaps the
+`--no-autoconnect` option.
+
+By default tio automatically connects to the provided device if present.  If
+the device is not present, it will wait for it to appear and then connect. If
+the connection is lost (eg. device disconnects), it will wait for the device to
+reappear and then reconnect.
+
+However, if the `--no-autoconnect` option is provided, tio will exit if the
+device is not present or an established connection is lost.
+
+Tio features full bash autocompletion support.
+
+Tio also supports various key commands. Press ctrl-t ? to list the available
+key commands.
+
+See the tio man page for more details.
+
+
+## 3. Installation
+
+The latest release version is available at https://tio.github.io
+
+### 3.1 Installation using release tarball
+
+Install steps:
+```
+     $ ./configure
+     $ make
+     $ make install
+```
+See INSTALL file for more installation details.
+
+### 3.2 Installation using package
+
+Tio comes prepackaged for various GNU/Linux distributions. Visit
+https://tio.github.io for package installation details.
+
+
+## 4. Contributing
+
+Tio is open source. All contributions (bug fixes, doc, ideas, etc.) are
+welcome. Visit the tio GitHub page to access latest source code, create pull
+requests, add issues etc..
+
+GitHub: https://github.com/tio/tio
+
+Also, if you find this free open source software useful please consider making
+a donation:
+
+[![Donate](https://www.paypal.com/en_US/i/btn/x-click-but21.gif)](https://www.paypal.me/lundmar)
+
+
+## 5. Support
+
+Submit bug reports via GitHub: https://github.com/tio/tio/issues
+
+
+## 6. Website
+
+Visit https://tio.github.io
+
+
+## 7. License
+
+Tio is GPLv2+. See COPYING file for license details.
+
+
+## 8. Authors
+
+Created by Martin Lund \<martin.lund@keep-it-simple.com>
+
+See the AUTHORS file for full list of authors.