c98a045c51
modules, wlan(4) overhaul with particular mention of the wlan_wep module, amr(4) PAE-safe (+MFC), matcd(4) removed, wd(4) removed for pc98, ifconfig(8) reorg and update. Culled from random skimming of HEAD commit messages. Somewhat belatedly bump copyright date while here.
311 lines
9.9 KiB
Plaintext
311 lines
9.9 KiB
Plaintext
<articleinfo>
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<title>&os;/&arch; &release.current; Release Notes</title>
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<corpauthor>The &os; Project</corpauthor>
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<pubdate>$FreeBSD$</pubdate>
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<copyright>
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<year>2000</year>
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<year>2001</year>
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<year>2002</year>
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<year>2003</year>
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<year>2004</year>
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<year>2005</year>
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<holder role="mailto:doc@FreeBSD.org">The &os; Documentation Project</holder>
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</copyright>
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<abstract>
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<para>The release notes for &os; &release.current; contain a summary
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of the changes made to the &os; base system since &release.branch; is created.
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This document lists applicable security advisories that were issued since
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the last release, as well as significant changes to the &os;
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kernel and userland.
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Some brief remarks on upgrading are also presented.</para>
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</abstract>
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</articleinfo>
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<sect1 id="intro">
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<title>Introduction</title>
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<para>This document contains the release notes for &os;
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&release.current; on the &arch.print; hardware platform. It
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describes recently added, changed, or deleted features of &os;.
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It also provides some notes on upgrading
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from previous versions of &os;.</para>
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<![ %release.type.current [
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<para>The &release.type; distribution to which these release notes
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apply represents the latest point along the &release.branch; development
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branch since &release.branch; is created. Some pre-built, binary
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&release.type; distributions along this branch
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can be found at <ulink url="&release.url;"></ulink>.</para>
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]]>
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<![ %release.type.snapshot [
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<para>The &release.type; distribution to which these release notes
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apply represents a point along the &release.branch; development
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branch between &release.prev; and the future &release.next;. Some
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pre-built, binary &release.type; distributions along this branch
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can be found at <ulink url="&release.url;"></ulink>.</para>
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]]>
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<![ %release.type.release [
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<para>This distribution of &os; &release.current; is a
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&release.type; distribution. It can be found at <ulink
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url="&release.url;"></ulink> or any of its mirrors. More
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information on obtaining this (or other) &release.type;
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distributions of &os; can be found in the <ulink
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url="&url.books.handbook;/mirrors.html"><quote>Obtaining
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&os;</quote> appendix</ulink> to the <ulink
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url="&url.books.handbook;/">&os;
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Handbook</ulink>.</para>
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]]>
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<para>All users are encouraged to consult the release errata before
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installing &os;. The errata document is updated with
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<quote>late-breaking</quote> information discovered late in the
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release cycle or after the release. Typically, it contains
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information on known bugs, security advisories, and corrections to
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documentation. An up-to-date copy of the errata for &os;
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&release.current; can be found on the &os; Web site.</para>
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</sect1>
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<sect1 id="new">
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<title>What's New</title>
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<para>This section describes
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the most user-visible new or changed features in &os;
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since &release.prev;.
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In general, changes described here are unique to the &release.branch;
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branch unless specifically marked as &merged; features.
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</para>
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<para>Typical release note items
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document recent security advisories issued after
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&release.prev.historic;,
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new drivers or hardware support, new commands or options,
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major bug fixes, or contributed software upgrades. They may also
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list changes to major ports/packages or release engineering
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practices. Clearly the release notes cannot list every single
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change made to &os; between releases; this document focuses
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primarily on security advisories, user-visible changes, and major
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architectural improvements.</para>
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<sect2 id="security">
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<title>Security Advisories</title>
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<para></para>
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</sect2>
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<sect2 id="kernel">
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<title>Kernel Changes</title>
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<para arch="i386">Support for 80386 processors (the
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<literal>I386_CPU</literal> kernel configuration option) has
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been removed. Users running this class of CPU should use &os;
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5.<replaceable>X</replaceable> or earlier.</para>
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<para>The loader tunable <varname>debug.mpsafevm</varname> has been
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has been enabled by default.</para>
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<!-- Above this line, sort kernel changes by manpage/keyword-->
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<sect3 id="boot">
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<title>Boot Loader Changes</title>
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<para arch="i386">A serial console-capable version of
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<filename>boot0</filename> has been added. It can be written
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to a disk using &man.boot0cfg.8; and specifying
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<filename>/boot/boot0sio</filename> as the argument to the
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<option>-b</option> option.</para>
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<para arch="i386"><filename>cdboot</filename> now works around a
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BIOS problem observed on some systems when booting from USB
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CDROM drives.</para>
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<!-- Above this line, order boot loader changes by keyword-->
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</sect3>
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<sect3 id="proc">
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<title>Hardware Support</title>
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<para arch="i386,pc98">Support for the OLDCARD subsystem has
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been removed. The NEWCARD system is now used for all PCCARD
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device support.</para>
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<sect4 id="mm">
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<title>Multimedia Support</title>
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<para></para>
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</sect4>
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<sect4 id="net-if">
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<title>Network Interface Support</title>
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<para>The &man.ath.4; driver has been updated to split the
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transmit rate control algorithm into a separate module.
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Either <literal>device ath_rate_onoe</literal> or
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<literal>device ath_rate_amrr</literal> must be included in
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the kernel configuration when using the &man.ath.4;
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driver.</para>
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<para>The &man.sf.4; driver now has support for device polling
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and &man.altq.4;. &merged;</para>
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<para>Support for 802.11 devices in the &man.wlan.4; has been
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greatly overhauled. In addition to architectural changes,
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it includes completed 802.11g, WPA, 802.11i, 802.1x,
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WME/WMM, AP-side power-saving, and plugin frameworks for
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cryptography modules, authenticators, and access control.
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Note in particular that WEP now requires the
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<filename>wlan_wep</filename> module to be loaded (or
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compiled) into the kernel.</para>
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</sect4>
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</sect3>
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<sect3 id="net-proto">
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<title>Network Protocols</title>
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<para>Ongoing work is reducing the use of the Giant lock by the
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network protocol stack and improving the locking
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strategies.</para>
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<para>A bug in TCP that sometimes caused RST packets to
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be ignored if the receive window was zero bytes has been
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fixed. &merged;</para>
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<para>Several bugs in the TCP SACK implementation have been
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fixed. &merged;</para>
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<para>RFC 1644 T/TCP support has been removed.</para>
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</sect3>
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<sect3 id="disks">
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<title>Disks and Storage</title>
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<para>The &man.amr.4; driver is now safe for use on systems
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using &man.pae.4;. &merged;</para>
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<para>The &man.matcd.4; driver has been removed.</para>
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<para arch="pc98">The &man.wd.4; driver has been removed. The
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&man.ata.4; driver has been found to work well enough on the
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pc98 platform that there is no need for the older &man.wd.4;
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driver.</para>
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</sect3>
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<sect3 id="fs">
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<title>File Systems</title>
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<para>The autofs(9) file system and the userland library
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&man.libautofs.3; have been added.</para>
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</sect3>
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<sect3>
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<title>Contributed Software</title>
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<para></para>
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</sect3>
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</sect2>
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<sect2 id="userland">
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<title>Userland Changes</title>
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<para>The <literal>create</literal> command of the &man.gpt.8;
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utility now supports a <option>-f</option> command-line flag to
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force creation of a GPT even when there is an MBR record on a
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disk. &merged;</para>
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<para>The &man.ifconfig.8; utility has been restructured. It is
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now more modular and flexible with respect to supporting
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interface-specific functionality. The 802.11 support has been
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updated to support recent changes to the 802.11 subsystem and
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drivers.</para>
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<para>The <literal>NO_NIS</literal> compile-time knob for userland
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has been added. As its name implies, enabling this
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<filename>Makefile</filename> variable will cause NIS support to
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be excluded from various programs and will cause the NIS
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utilities to not be built. &merged;</para>
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<para arch="i386">The &man.mkuzip.8;, which is a non-GPL
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utility to compress file system images for use with
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<literal>GEOM_UZIP</literal> &man.geom.4; module,
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has been added.</para>
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<para>The &man.ncal.1; utility now supports a <option>-m</option>
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flag to generate a calendar for a specified month in the current
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year. &merged;</para>
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<sect3 id="rc-scripts">
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<title><filename>/etc/rc.d</filename> Scripts</title>
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<para></para>
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</sect3>
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</sect2>
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<sect2 id="contrib">
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<title>Contributed Software</title>
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<para>The timezone database has been updated from the
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<application>tzdata2004e</application> release to the
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<application>tzdata2004g</application> release. &merged;</para>
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<para>A snapshot of <application>netcat</application> from OpenBSD
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as of 4 February 2005 has been added. &merged;</para>
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<para><application>OpenPAM</application> has been updated from the
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Eelgrass release to the Feterita release.</para>
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<para><application>OpenSSH</application> has been updated from 3.8p1
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to 3.9p1.</para>
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<para><application>sendmail</application> has been updated from
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version 8.13.1 to version 8.13.3. &merged;</para>
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</sect2>
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<sect2 id="ports">
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<title>Ports/Packages Collection Infrastructure</title>
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<para></para>
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</sect2>
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<sect2 id="releng">
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<title>Release Engineering and Integration</title>
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<para></para>
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</sect2>
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<sect2 id="doc">
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<title>Documentation</title>
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<para></para>
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</sect2>
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</sect1>
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<sect1 id="upgrade">
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<title>Upgrading from previous releases of &os;</title>
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<para></para>
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<important>
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<para>Upgrading &os; should, of course, only be attempted after
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backing up <emphasis>all</emphasis> data and configuration
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files.</para>
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</important>
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</sect1>
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