Merge pull request #199 from runningwater/master

翻译完成
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Xingyu.Wang 2013-10-15 18:59:55 -07:00
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Top Things To Do After Installing Ubuntu 13.10 Saucy Salamander
(runningwater翻译中)Top Things To Do After Installing Ubuntu 13.10 Saucy Salamander
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**Ubuntu 13.10 Saucy Salamander** will be released on coming **October 17th** with many new salient features, updates and significant performance improvements. In this brief how-to let us discuss how we can enhance Ubuntu 13.10 further for day to day activities. This post we will share some interesting insight and ideas about what you can and should do after a successful installation.
@ -406,7 +406,7 @@ via: http://www.unixmen.com/top-things-installing-ubuntu-13-10/
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译,[Linux中国](http://linux.cn/) 荣誉推出
译者:[译者ID](https://github.com/译者ID) 校对:[校对者ID](https://github.com/校对者ID)
译者:[runningwater](https://github.com/runningwater) 校对:[校对者ID](https://github.com/校对者ID)
[1]:http://www.unixmen.com/upgrade-ubuntu-13-04-raring-ubuntu-13-10-saucy-salamander/
[2]:http://www.unixmen.com/2012003-howto-resolve-nosound-problem-on-ubuntu/
@ -446,4 +446,4 @@ via: http://www.unixmen.com/top-things-installing-ubuntu-13-10/
[36]:http://www.unixmen.com/clean-up-your-linux-systems-using-bleachbit/
[37]:http://www.opera.com/browser/
[38]:http://www.google.com/chrome/index.html?hl=en-GB&brand=CHMB&utm_campaign=nl&utm_source=nl-ha-emea-nl-bk&utm_medium=ha
[39]:http://www.unixmen.com/how-to-install-google-earth-in-linux/
[39]:http://www.unixmen.com/how-to-install-google-earth-in-linux/

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(runningwater认领)
Linux Terminal: Seeing the unseen characters with cat!
Linux终端用cat命令查看隐藏的字符
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Sometimes a program or software dont start for a syntax error, and if you check the files there is nothing wrong..apparently.
There are a lot of characters that usually are not printed if you use a normal text editor, but you can easily check if they are present with your terminal and the command cat.
时常某个程序或软件并没有语法错误并且你检查它的相关内容也确实没有发现问题。这是因为你用普通文本编辑器软件来查看的时候有许多字符没有显示出来但在终端下面使用cat命令可以很容易的检测出是否存在这些字符。
As first thing lets create a simple text file with these special characters, open a terminal and run the command:
首先,我们创建一个简单的文本文件,写入一些特殊的字符。打开终端,运行命令:
printf 'testing\012\011\011testing\014\010\012more testing\012\011\000\013\000even more testing\012\011\011\011\012' > /tmp/testing.txt
Now if you open the file with an editor youll have different results.
A simple cat will show:
现在用不同的编辑器软件打开显示的结果不会相同。用简单的cat打开将显示
$ cat /tmp/testing.txt
testing
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even more testing
While if you open it with nano or vim youll see :
然而用nano或者vim打开将会看到
testing
testing^L^H
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more testing
^@^K^@even more testing
Now we can see some options of cat to print special characters.
现在我们给cat加上一些选项参数以便能显示出特殊字符来。
1) Use cat -T to display TAB characters as ^I
1) 用cat -T命令来显示TAB键的字符^I
cat -T /tmp/testing.txt
testing
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even more testing
^I^I^I
2) Use cat -E to display $ at end of each line
2) 用cat -E命令来显示行尾的结束字符$
$ cat -E /tmp/testing.txt
testing$
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even more testing$
$
3) Use a simple cat -A to show up all the invisible characters:
3) 用简单的cat -A命令就可以显示所有不可见的字符
$ cat -A /tmp/testing.txt
testing$