July 2017
Intermediate to advanced
398 pages
11h 54m
Chinese
Content preview from Python数据处理
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学习命令行
｜
345
11.09.2015 19:05 <DIR> Downloads
11.09.2015 19:05 <DIR> Favorites
10.02.2014 15:15 <DIR> Intel
11.09.2015 19:05 <DIR> Links
11.09.2015 19:05 <DIR> Music
11.09.2015 19:05 <DIR> Pictures
13.03.2015 16:26 <DIR> pip
11.09.2015 19:05 <DIR> Saved Games
dir
也有许多可用的选项（
http://ss64.com/nt/dir.html
），可以排序、分组或显示更多信息。
我们来看一下
Desktop
文件夹。
dir Desktop /Q
我们让
cmd
显示
Desktop
目录中的所有文件，以及这些文件的所有者。你应该会看到文件
名的前半部分是每个文件的所有者（比如
MY-LAPTOP\Katharine\backupPDF
）。在查看文件
夹和文件时这一命令非常有用。还有许多好用的选项，可以显示子文件夹，或者按最后一
次修改的时间戳排序。
输入下列代码跳转到
Desktop
文件夹：
chdir Desktop
现在输入
echo %cd%
查看当前目录，你应该会发现与之前的不同。想跳转到上一级文件夹，
只需输入
..
。例如，如果我们想跳转到当前目录的上一级文件夹，可以输入：
chdir ..
你还可以把多个“上一级文件夹”符号连起来（
chdir ..\..
可以跳转到上两级文件夹 ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.