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uname
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===
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显示Linux系统信息
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## 说明
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**uname命令** 用于打印当前系统相关信息(内核版本号、硬件架构、主机名称和操作系统类型等)。
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### 语法
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```
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uname(选项)
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```
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```
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-a或--all:显示全部的信息;
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-m或--machine:显示电脑类型;
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-n或-nodename:显示在网络上的主机名称;
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-r或--release:显示操作系统的发行编号;
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-s或--sysname:显示操作系统名称;
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-v:显示操作系统的版本;
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-p或--processor:输出处理器类型或"unknown";
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-i或--hardware-platform:输出硬件平台或"unknown";
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-o或--operating-system:输出操作系统名称;
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--help:显示帮助;
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--version:显示版本信息。
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```
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### 实例
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使用uname命令查看全部信息:
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```
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[root@localhost ~]# uname #单独使用uname命令时相当于uname -s
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Linux
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[root@localhost ~]# uname -a
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Linux localhost 2.6.18-348.6.1.el5 #1 SMP Tue May 21 15:34:22 EDT 2013 i686 i686 i386 GNU/Linux
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[root@localhost ~]# uname -m
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i686
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[root@localhost ~]# uname -n
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localhost
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[root@localhost ~]# uname -r
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2.6.18-4-686
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[root@localhost ~]# uname -s
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Linux
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[root@localhost ~]# uname -v
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#1 SMP Tue May 21 15:34:22 EDT 2013
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[root@localhost ~]# uname -p
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i686
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[root@localhost ~]# uname -i
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i386
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[root@localhost ~]# uname -o
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GNU/Linux
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[root@localhost ~]# uname --version
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uname (GNU coreutils) 5.97
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Copyright (C) 2006 free Software Foundation, Inc.
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这是自由软件。您可以按照 GNU GPL 协议 <http://www.gnu.org/licenses/gpl.html> 的条款再发布此软件的副本,但我们无法保证相关法律不对这一情形进行限制。
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由 David MacKenzie 编写。
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```
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