程序指示 meaning in Chinese

practice direction

Finally the setup program instructs the end user to restart the system ( point 4 )
最后安装程序指示最终用户重启系统（第四点）。
To avoid this substitution , the preprocessor directive could look like this
为了避免发生这种替换，预处理程序指示符可以是类似这样的：
Source files in the linux subdirectory could have a code layout with preprocessor directives as follows
Linux子目录中的源文件中可能会有带有预处理程序指示符的代码形式，如下：
Directs setup to place temporary files on the specified drive and to install windows 2000 on that drive
为安装程序指示存储临时文件的指定驱动器，并在该驱动器上安装windows2000 。