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uname
===
显示Linux系统信息
## 补充说明
**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)。
### 语法
```
uname(选项)
```
### 选项
```
-a或--all: 显示全部的信息;
-m或--machine: 显示电脑类型;
-n或-nodename: 显示在网络上的主机名称;
-r或--release: 显示操作系统的发行编号;
-s或--sysname: 显示操作系统名称;
-v: 显示操作系统的版本;
-p或--processor: 输出处理器类型或"unknown";
-i或--hardware-platform: 输出硬件平台或"unknown";
-o或--operating-system: 输出操作系统名称;
--help: 显示帮助;
--version: 显示版本信息。
```
### 实例
使用uname命令查看全部信息:
```
[root@localhost ~]# uname #单独使用uname命令时相当于uname -s
Linux
[root@localhost ~]# uname -a
Linux localhost 2.6.18-348.6.1.el5 #1 SMP Tue May 21 15:34:22 EDT 2013 i686 i686 i386 GNU/Linux
[root@localhost ~]# uname -m
i686
[root@localhost ~]# uname -n
localhost
[root@localhost ~]# uname -r
2.6.18-4-686
[root@localhost ~]# uname -s
Linux
[root@localhost ~]# uname -v
#1 SMP Tue May 21 15:34:22 EDT 2013
[root@localhost ~]# uname -p
i686
[root@localhost ~]# uname -i
i386
[root@localhost ~]# uname -o
GNU/Linux
[root@localhost ~]# uname --version
uname (GNU coreutils) 5.97
Copyright (C) 2006 free Software Foundation, Inc.
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。
由 David MacKenzie 编写。
```
<!-- Linux命令行搜索引擎: https://jaywcjlove.github.io/linux-command/ -->