Most vendors of add-on hardware prefer to ship a custom installation program on a CD-ROM, and writing the installer is a lengthy process that can consume an experienced programmer for several weeks.

• 大多数的附加硬件厂商喜欢在一个CD-ROM上加载一个安装程序，并且编写的安装文档是一个冗长的过程，它可以消耗富有经验的程序使得几个星期（的时间）。