So it turns out a really nice shortcut on most systems, oops, is to say if you have a file called hello.c and you wanna turn it into a program called hello, well, make hello just write in the command makeHello and it will do all of that for you automatically and hand you a program called hello.

就是寻找一种能在大多数系统上运行的更快捷的方式，哇！,也就是说，你有一个hello，c的文件,你想把它变成一个名为hello的程序，那么只需要敲入命令,它就会自动为你生成,一个hello程序。

哈佛公开课 - 计算机科学课程节选

So if you haven't already, just glance at the person next to you, or say hello if you don't know them.

如果你还没有做好，那就看看你旁边的人,如果你不认识他们就跟他们打个招呼。

哈佛公开课 - 计算机科学课程节选

Alright, so let's now start doing more interesting things hello than just saying hello ad nauseam to ourselves.

也行，好吧，那我们接着上课，讲些更有趣的东西,不再一遍又一遍重复令人作呕的。

哈佛公开课 - 计算机科学课程节选

GCC hello c So you see two similarities between the first version, GCC hello.c, and the second version but obviously I've just added which part for that second line.

你将会在第一个版本,和第二个版本GCC，-o，hello，hello，c之间，看到两点相似之处,很显然我们在第二个版本的第二行添加了一些东西。

哈佛公开课 - 计算机科学课程节选

So I'm gonna go ahead and save this file, hello c it's hello.c, dot C hints at the fact that this program I just whipped up is written in a language called C.

所以我打算继续，保存，并命名为，“，c“表明这个程序,是使用C语言写的。

哈佛公开课 - 计算机科学课程节选

- And that's because hello.c is something I just wrote -- it's not something I downloaded or bought and installed via double-clicking or anything like that -- because I wrote it, compiled it in my current directory, I have to be ever-so emphatic to the computer that it's actually right here.

那是因为hello，c是我所写的东西-,而不是从哪里下载或购买,并通过双击安装的程序,-因为那是我写的程序，在我当前目录下编译的，我们不得不对计算机强调,它是在这个地方的。

哈佛公开课 - 计算机科学课程节选

So with the fact that I'm now just back at my prompt is a good thing so now GCC hello c if I type this command GCC hello.c, this is gonna run this program that Apple wrote in this case GCC or someone else wrote called GCC.

也就是说我们现在安全返回,说明一切正常,现在我输入这条命令：,这代表运行hello，c这个程序,是由“Apple“或其他人编写的，名为。

哈佛公开课 - 计算机科学课程节选