/[gentoo]/xml/htdocs/doc/en/handbook/hb-working-features.xml
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2<!DOCTYPE sections SYSTEM "/dtd/book.dtd"> 2<!DOCTYPE sections SYSTEM "/dtd/book.dtd">
3 3
4<!-- The content of this document is licensed under the CC-BY-SA license --> 4<!-- The content of this document is licensed under the CC-BY-SA license -->
5<!-- See http://creativecommons.org/licenses/by-sa/1.0 --> 5<!-- See http://creativecommons.org/licenses/by-sa/1.0 -->
6 6
7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-working-features.xml,v 1.13 2004/08/22 22:49:38 neysx Exp $ --> 7<!-- $Header: /var/cvsroot/gentoo/xml/htdocs/doc/en/handbook/hb-working-features.xml,v 1.14 2004/08/28 11:30:43 swift Exp $ -->
8 8
9<sections> 9<sections>
10<section> 10<section>
11<title>DistCC</title> 11<title>DistCC</title>
12<subsection> 12<subsection>
336 336
337</body> 337</body>
338</subsection> 338</subsection>
339</section> 339</section>
340<section> 340<section>
341<title>SLOT'ed Software Titles</title>
342<subsection>
343<title>SLOT ?</title>
344<body>
345
346<p>
347Occasionally you need to have several versions of a software title installed at
348the same time to satisfy your system's dependencies. Whereas most distributions
349allow this by having their packages called to the version (such as
350<c>freetype</c> and <c>freetype2</c>) Portage uses the concept of <e>SLOT</e>s.
351</p>
352
353<p>
354A <e>SLOT</e> is a (part of a) version number that tells Portage that all
355equally named packages with a different SLOT are able to coexist on the same
356system. Portage is able to track both branches of a certain package and update
357them if updates to the respective branches are available.
358</p>
359
360<p>
361When you perform an update Portage will only automatically unmerge the old
362instance of a package if it uses the same SLOT. This is why kernel sources are
363never automatically unmerged as their SLOT is the complete version.
364</p>
365
366</body>
367</subsection>
368</section>
369<section>
341<title>Other Features</title> 370<title>Other Features</title>
342<subsection> 371<subsection>
343<title>Portage Help</title> 372<title>Portage Help</title>
344<body> 373<body>
345 374

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