擅长:python、mysql、java
<p>它是<a href="http://docs.python.org/library/os.html#os.system" rel="noreferrer">^{<cd1>}</a>:</p>
<pre><code>import os
os.system('ls -la')
</code></pre>
<p>但这不会给你任何输出。所以<a href="http://docs.python.org/library/subprocess.html#subprocess.check_output" rel="noreferrer">^{<cd2>}</a>可能更符合您的需求:</p>
<pre><code>>>> import subprocess
>>> subprocess.check_output(["ls", "-l", "/dev/null"])
'crw-rw-rw- 1 root root 1, 3 Oct 18 2007 /dev/null\n'
</code></pre>