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<title xmlns="">Byobu</title>
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<span>Official Documentation</span>
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<div class="breadcrumbs"><a href="https://help.ubuntu.com/">Ubuntu Documentation</a> > <a href="https://help.ubuntu.com/11.04">Ubuntu 11.04</a> > <span class="breadcrumb-link"><a href="index.html">Ubuntu Server Guide</a></span> > <span class="breadcrumb-link"><a href="other-useful-applications.html">Other Useful Applications</a></span> > <span class="breadcrumb-node">Byobu</span></div>
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<div class="titlepage">
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<h2 class="title" style="clear: both"><a id="byobu"></a>Byobu</h2>
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One of the most useful applications for any system administrator is <span class="application"><strong>screen</strong></span>. It allows the execution
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of multiple shells in one terminal. To make some of the advanced <span class="application"><strong>screen</strong></span> features more
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user friendly, and provide some useful information about the system, the <span class="application"><strong>byobu</strong></span> package was
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When executing <span class="application"><strong>byobu</strong></span> pressing the <span class="emphasis"><em>F9</em></span> key will bring up the
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<span class="application"><strong>Configuration</strong></span> menu. This menu will allow you to:
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<div class="itemizedlist">
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<ul class="itemizedlist" type="disc">
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<p>View the Help menu</p>
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<p>Change Byobu's background color</p>
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<p>Change Byobu's foreground color</p>
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<p>Toggle status notifications</p>
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<p>Change the key binding set</p>
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<p>Change the escape sequence</p>
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<li class="listitem">
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<p>Create new windows</p>
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<li class="listitem">
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<p>Manage the default windows</p>
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<li class="listitem">
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<p>Byobu currently does not launch at login (toggle on)</p>
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The <span class="emphasis"><em>key bindings</em></span> determine such things as the escape sequence, new window, change window, etc. There
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are two key binding sets to choose from <span class="emphasis"><em>f-keys</em></span> and <span class="emphasis"><em>screen-escape-keys</em></span>. If you wish to use the
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original key bindings choose the <span class="emphasis"><em>none</em></span> set.
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<span class="application"><strong>byobu</strong></span> provides a menu which displays the Ubuntu release, processor information,
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memory information, and the time and date. The effect is similar to a desktop menu.
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Using the <span class="emphasis"><em>"Byobu currently does not launch at login (toggle on)"</em></span> option will cause <span class="application"><strong>byobu</strong></span>
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to be executed any time a terminal is opened. Changes made to <span class="application"><strong>byobu</strong></span> are on a per user basis, and will not
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affect other users on the system.
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One difference when using byobu is the <span class="emphasis"><em>scrollback</em></span> mode. Press the
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<span class="emphasis"><em>F7</em></span> key to enter scrollback mode. Scrollback mode allows you to navigate
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past output using <span class="emphasis"><em>vi</em></span> like commands. Here is a quick list of movement commands:
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<ul class="itemizedlist" type="disc">
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<li class="listitem">
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<p><span class="emphasis"><em>h</em></span> - Move the cursor left by one character</p>
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<p><span class="emphasis"><em>j</em></span> - Move the cursor down by one line</p>
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<p><span class="emphasis"><em>k</em></span> - Move the cursor up by one line</p>
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<p><span class="emphasis"><em>l</em></span> - Move the cursor right by one character</p>
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<p><span class="emphasis"><em>0</em></span> - Move to the beginning of the current line</p>
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<p><span class="emphasis"><em>$</em></span> - Move to the end of the current line</p>
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<p><span class="emphasis"><em>G</em></span> - Moves to the specified line (defaults to the end of the buffer)</p>
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<li class="listitem">
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<p><span class="emphasis"><em>/</em></span> - Search forward</p>
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<li class="listitem">
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<p><span class="emphasis"><em>?</em></span> - Search backward</p>
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<li class="listitem">
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<p><span class="emphasis"><em>n</em></span> - Moves to the next match, either forward or backword</p>
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<td width="40%" align="right" valign="top"> References</td>
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<p>The material in this document is available under a free license, see <a href="/legal.html">Legal</a> for details<br />
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For information on contributing see the <a href="https://wiki.ubuntu.com/DocumentationTeam">Ubuntu Documentation Team wiki page</a>. To report a problem, visit the <a href="https://bugs.launchpad.net/ubuntu/+source/ubuntu-docs">bug page for Ubuntu Documentation</a></p>
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