20131119-5 选题

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+9 Linux Uname Command Examples To Get Operating System Details
+================================================================================
+![](http://linoxide.com/wp-content/uploads/2013/11/linux-uname-command.png)
+
+When you are in console mode, there is no ‘Right click > About’ to give you information about your operating system. In Linux, you can use command **uname** to help you about that. Uname is the short name for **unix name**. Just type **uname** in console.
+
+When you type uname without parameter, it will only show the name of your operating system.
+
+    # uname
+    Linux
+
+It may not satisfy what you need. So you may need to use some parameters to make uname show the information you need.
+
+Here’s the list of uname parameters :
+
+### 1. Kernel name ###
+
+To reveal the kernel name, you can use **-s** parameter.
+
+    # uname -s
+    Linux
+
+The output will be same with uname without parameter.
+
+### 2. Kernel release ###
+
+If you need to know what kernel release you’re using, just use **-r** parameter
+
+    # uname -r
+    2.6.18-371.1.2.el5
+
+### 3. Kernel version ###
+
+Beside kernel information, uname can also fetch the kernel version. Use **-v** parameter for this purpose
+
+    # uname -v
+    #1 SMP Tue Oct 22 12:57:43 EDT 2013
+
+### 4. Nodename ###
+
+Parameter -n will give you the node hostname. For example, if your hostname is “dev-machine”, **-n** parameter will print dev-machine as the output of -n parameter
+
+    # uname -n
+    dev-machine
+
+For RedHat and CentOS, you can also use **/etc/redhat_release** file :
+
+    # cat /etc/redhat_release
+    CentOS release 5.10 (Final)
+
+For non-RedHat based distro, you may use **/etc/issue**. Here’s the example :
+
+    # cat /etc/issue
+    Linux Mint Olivia \n \l
+
+### 5. Hardware name ###
+
+If you are wondering what kind of machine you’re using, you can try **-m** parameter. It will show you information about it.
+
+    # uname -m
+    i686
+
+i686 is indicates that your system is 32 bit operating system. While x86_64 means your system is a 64 bit system.
+
+### 6. Hardware platform ###
+
+Similar with hardware name, -i parameter will show you hardware platfrom.
+
+    # uname -i
+    i386
+
+i386 mean you are running a 32 bit system. If the output is x86_64 it’s mean that you are running 64 bis system.
+
+### 7. Processor type ###
+
+To see processor type, you can use **-p** parameter. If uname is not able to show you that information, it will show you ‘unknown’ in the output.
+
+    # uname -p
+    i686
+
+### 8. Operating system ###
+
+Uname can also used to reveal what operating system you are running. Use **-o** parameter to fulfill this purpose.
+
+    # uname -o
+    GNU/Linux
+
+### 9. All information ###
+
+There is one parameter that can reveal all information. It’s **-a** parameter. It will show you all information **except omit -i and -p** if they are unknown.
+
+    # uname -a
+    Linux dev-machine 2.6.18-371.1.2.el5 #1 SMP Tue Oct 22 12:57:43 EDT 2013 i686 i686 i386 GNU/Linux
+
+That’s the uname command in use. Please stay tuned to see more commands.
+
+Thank you.
+
+--------------------------------------------------------------------------------
+
+via: http://linoxide.com/linux-command/uname-command/
+
+译者：[译者ID](https://github.com/译者ID) 校对：[校对者ID](https://github.com/校对者ID)
+
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