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164 lines
6.2 KiB
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<title>Debian parallel package - build and execute shell command lines from standard input in parallel</title>
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<h1>Debian parallel package - Applications manuals index</h1>
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<h2><a href="parallel.html">parallel</a></h2>
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<p>GNU <strong>parallel</strong> is a shell tool for executing jobs
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concurrently locally or using remote computers. A job is typically a
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single command or a small script that has to be run for each of the
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lines in the input. The typical input is a list of files, a list of
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hosts, a list of users, a list of URLs, or a list of tables.</p>
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<h2><a href="sem.html">sem</a></h2>
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<p>GNU <strong>sem</strong> is an alias for GNU <strong>parallel
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--semaphore</strong>.</p>
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<p>It works as a tool for executing shell commands in parallel. GNU
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<strong>sem</strong> acts as a counting semaphore. When GNU
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<strong>sem</strong> is called with command it will start the command
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in the background. When <em>num</em> number of commands are running in
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the background, GNU <strong>sem</strong> will wait for one of these to
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complete before starting another command.</p>
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<h2><a href="sql.html">sql</a></h2>
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<p>GNU <strong>sql</strong> aims to give a simple, unified interface
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for accessing databases through all the different databases' command
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line clients. The database is addressed using a DBURL. If <em>commands</em>
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are left out you will get that database's interactive shell.</p>
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<p>GNU <strong>sql</strong> is often used in combination with GNU
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<strong>parallel</strong>.</p>
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<h2><a href="niceload.html">niceload</a></h2>
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<p>GNU <strong>niceload</strong> will run a program when the load average
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is below a certain limit. When the limit is reached the program will be
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suspended for some time. Then resumed again for some time. Then the load
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average is checked again and we start over.</p>
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<hr />
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<h1><a name="author">Author</a></h1>
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<p>When using GNU Parallel for a publication please cite:</p>
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<p>O. Tange (2011): GNU Parallel - The Command-Line Power Tool, ;login: The USENIX Magazine, February 2011:42-47.</p>
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<p>Copyright (C) 2007-10-18 Ole Tange, <a href="http://ole.tange.dk">http://ole.tange.dk</a></p>
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<p>Copyright (C) 2008,2009,2010 Ole Tange, <a href="http://ole.tange.dk">http://ole.tange.dk</a></p>
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<p>Copyright (C) 2010,2011 Ole Tange, <a href="http://ole.tange.dk">http://ole.tange.dk</a> and Free
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Software Foundation, Inc.</p>
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<p>Parts of the manual concerning <strong>xargs</strong> compatibility is inspired by
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the manual of <strong>xargs</strong> from GNU findutils 4.4.2.</p>
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<p>
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</p>
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<hr />
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<h1><a name="license">License</a></h1>
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<p>Copyright (C) 2007,2008,2009,2010,2011 Free Software Foundation, Inc.</p>
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<p>This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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at your option any later version.</p>
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<p>This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.</p>
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<p>You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.</p>
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<p>
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</p>
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<h2><a name="documentation_license_i">Documentation license I</a></h2>
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<p>Permission is granted to copy, distribute and/or modify this documentation
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with no
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Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
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Texts. A copy of the license is included in the file fdl.txt.</p>
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<p>
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</p>
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<h2><a name="documentation_license_ii">Documentation license II</a></h2>
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<p>You are free:</p>
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<dl>
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<dt><strong><a name="to_share" class="item"><strong>to Share</strong></a></strong></dt>
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<dd>
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<p>to copy, distribute and transmit the work</p>
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</dd>
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<dt><strong><a name="to_remix" class="item"><strong>to Remix</strong></a></strong></dt>
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<dd>
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<p>to adapt the work</p>
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</dd>
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</dl>
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<p>Under the following conditions:</p>
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<dl>
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<dt><strong><a name="attribution" class="item"><strong>Attribution</strong></a></strong></dt>
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<dd>
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<p>You must attribute the work in the manner specified by the author or
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licensor (but not in any way that suggests that they endorse you or
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your use of the work).</p>
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</dd>
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<dt><strong><a name="share_alike" class="item"><strong>Share Alike</strong></a></strong></dt>
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<dd>
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<p>If you alter, transform, or build upon this work, you may distribute
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the resulting work only under the same, similar or a compatible
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license.</p>
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</dd>
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</dl>
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<p>With the understanding that:</p>
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<dl>
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<dt><strong><a name="waiver" class="item"><strong>Waiver</strong></a></strong></dt>
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<dd>
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<p>Any of the above conditions can be waived if you get permission from
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the copyright holder.</p>
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</dd>
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<dt><strong><a name="public_domain" class="item"><strong>Public Domain</strong></a></strong></dt>
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<dd>
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<p>Where the work or any of its elements is in the public domain under
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applicable law, that status is in no way affected by the license.</p>
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</dd>
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<dt><strong><a name="other_rights" class="item"><strong>Other Rights</strong></a></strong></dt>
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<dd>
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<p>In no way are any of the following rights affected by the license:</p>
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<ul>
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<li>
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<p>Your fair dealing or fair use rights, or other applicable
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copyright exceptions and limitations;</p>
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</li>
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<li>
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<p>The author's moral rights;</p>
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</li>
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<li>
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<p>Rights other persons may have either in the work itself or in
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how the work is used, such as publicity or privacy rights.</p>
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</li>
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</ul>
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</dd>
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</dl>
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<dl>
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<dt><strong><a name="notice" class="item"><strong>Notice</strong></a></strong></dt>
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<dd>
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<p>For any reuse or distribution, you must make clear to others the
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license terms of this work.</p>
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</dd>
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</dl>
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<p>A copy of the full license is included in the file as cc-by-sa.txt.</p>
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<p>
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</p>
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