title: what does `PS` command mean in vscode terminal on windows?
body: <p>I am trying to reproduce this <a href="https://code.visualstudio.com/docs/java/java-tutorial" rel="nofollow noreferrer">post</a>.</p>
  
  <p>this is a classic hello world in java, with additional <code>package app;</code></p>
  
  <pre><code>package app;
  
  public class App {
      public static void main(String[] args) throws Exception {
          System.out.println("Hello Java");
      }
  }
  </code></pre>
  
  <p>when I click "run" btn inside this code, vscode output this bunch</p>
  
  <pre><code>Hello Java
  PS C:\Lecture_java\Lecture001\Hello&gt; &amp; 'C:\Users\ubuntu\.vscode\extensions\vscjava.vscode-java-debug-0.23.0\scripts\launcher.bat' 'C:\Program Files\Java\jdk-13.0.1\bin\java' '-Dfile.encoding=UTF-8' '-cp' 'C:\Lecture_java\Lecture001\Hello\bin' 'app.App'
  </code></pre>
  
  <p>first line is the output of my java code.</p>
  
  <p>I guess the second line is the log that how vscode acturally process the java file.</p>
  
  <h1>question</h1>
  
  <p>what does <code>PS</code> command  mean?</p>
  
  <p>the <code>PS</code> command only work inside vscode terminal. running <code>PS</code> command in cmd.exe gives this error.</p>
  
  <blockquote>
    <p>'PS' is not recognized as an internal or external command,
    operable program or batch file.</p>
  </blockquote>