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PC-BSD 7.0.2

发布于 2008-12-12
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PC-BSD的目标是成为易于安装和使用的桌面操作系统，它基于FreeBSD。为达到此目标，它准备了一套图形化的安装程序，这将使得即便是UNIX新手也能容易地安装并使得它运行起来。PC-BSD还将装备KDE，以提供即刻可用的桌面。目前正在开发的是一套图形化的软件安装管理程序，这将使得安装预编译好的软件变得像其他流行操作系统一样方便。

Kris Moore has announced the release of 7.0.2, the second bug-fix update of the user-friendly desktop operating system based on 7: “The PC-BSD Team is pleased to announce the availability of PC-BSD 7.0.2, with an updated FreeBSD 7.1-PRERELEASE under the hood and the latest KDE 4.1.3. Version 7.0.2 contains a number of bug fixes and improvements. Some of the changes are: KDE 4.1.3; improved desktop performance with NVIDIA cards; improved NTFS write support; HAL fixes and improvements; installation bug fixes. This version of PC-BSD can be downloaded and installed as a fresh install or, alternatively, can be updated to from PC-BSD 7.0.1 via the System Update tool or via a stand-alone PBI.” See the release announcement and changelog for further details. Download (MD5) the installation DVDs from here: PCBSD7.0.2-x86-DVD.iso (1,622MB), PCBSD7.0.2-x64-DVD.iso (1,647MB).

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对话 UNIX: !$#@*%

发布于 2008-12-11
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学习更多的命令行技巧和操作符
Adam Cormany, 国家数据中心经理, IBM  2008 年 12 月 01 日

更好地理解 ® 用户输入的这些 “奇怪的” 字符。学习如何在 中使用管道、重定向、操作符等特性。

现在，您已经在 IBM® AIX® 上工作了一段时间了。您已经学习了几个基本命令，能够在目录结构中移动、创建和修改文件、查看正在运行的进程以及管理用户和系统。这很不错，但是您希望了解 UNIX® 管理员输入的命令是什么意思。这些命令中包含许多奇怪的符号。在本文中，了解 |、>、>>、<、<<、[[ 和 ]] 等符号在 UNIX 和 ® 中的意思，以及如何使用 &&、||、<、<= 和 != 操作符。
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FreeBSD 7.1-RC1

发布于 2008-12-10
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FreeBSD是一份UNIX操作系统，它面向i386、IA-64、PC-98、Alpha/AXP及UltraSPARC平台。它基于加州伯克利大学的4.4 BSD-Lite发布，并带有一些4.4 BSD-Lite2增强。它还非直接地基于William Jolitz的port，这源于加州伯克利大学i386化的“Net/2”也即“386BSD”，尽管386BSD中只有非常少的代码遗留下来。FreeBSD被遍布全世界的公司、Internet服务提供商、研究人员、计算机专家、学生，以及家庭用户用于他们的工作、教学和娱乐之中。

Ken Smith has announced the availability of the first release candidate for 7.1: “FreeBSD 7.1-RC1 is now available, the first of the release candidates. There will be at least one more release candidate before the release so the release itself is likely around three weeks from now – if no new show-stoppers are uncovered during testing. In addition to general testing, we’re looking for information about potential problems with the boot loader. And a late arrival that’s not possible to test without the packages, sysinstall’s issues with excessive disc swapping when installing large sets of packages off the CDROMs should be fixed. Testing to make sure that’s working would be appreciated.” Read the release announcement for more known issues and binary/source upgrade instructions. Download: 7.1-RC1-i386-dvd1.iso.gz (1,808MB, MD5), 7.1-RC1-amd64-dvd1.iso.gz (1,806MB, MD5).

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