事实上，编制程序(我干这行已经有20多年了)根本一点都不像艺术—至少不像写小说(我干这一行也已经有20多年了)那样的艺术。

Crafting a program (and I've done this for over 20 years) is, in fact, nothing at all like art-at least not the art of writing fiction (and I've done that for over 20 years as well).

youdao

在物理硬件上，控制程序可能是主机操作系统或管理程序(见图1)。

On the physical hardware, a control program can be the host operating system or a hypervisor (see Figure 1).

youdao

从系统上删除rlogin和rsh二进制程序，并将它们替代为ssh的一个symlink。

Delete the rlogin and RSH binaries from the system, and replace them with a symlink to SSH.

youdao