I changed the value of PS1 variable.
我改变了PS 1的变量的值。
PS1 prompt: Waiting for the next command
$PS1提示符：等待下一个命令
This is as simple as exporting the PS1 via the command-line.
这就像用命令行从PS 1中导出数据一样简单(注：PS 1译者不懂)。
PS1: I have translated a section, also has pasted on together.
PS 1：我翻译了一段，也一起贴上了的。
One example is PS1. It tells your shell what to render for your initial prompt.
PS 1就是这样一个例子，它告诉shell将显示哪些内容作为最初提示。
Although PS1 first came online in late 2008, it only began complete dusk-to-dawn operations last month.
尽管PS 1第一次联机于2008年晚些时候，直到上个月它才可以开始全天候的工作。
But Berger is most excited about the potential for PS1's far-gazing eye to discover entirely new kinds of space events.
但是Berger最激动的是PS1的对遥远星空的观测眼具有发现完全新型的宇宙现象的潜力。
You can set the shell prompt variable PS1 in your.profile in your home directory by adding the lines shown in Listing 4.
通过添加清单4中的行，可以在您主目录的. profile文件中设置shell提示变量ps1。
Listing 1 shows some examples where the prompt strings (from the PS1 environment variable) are different from the other examples in this article.
清单1显示了一些例子，说明了提示字符串(来自PS 1环境变量)与本文中的其他例子不同。
PS1 can contain other shell and environment variables, in-place command evaluation (via backquotes), and specialized literals. Here's an initial example.
PS 1可以包含其他shell和环境变量、置换命令运算(通过反引号)和特殊的字面值。
You can apply PS1 values to your current terminal session by pressing Control+C several times, then pasting in the line of code above and pressing return or enter.
你可以把PS1值到你当前的终端会话按控制+C好几次，然后贴在上面的代码线压退货或进入。
Now, every 30 seconds PS1 snaps a 1,400-megapixel shot of a section of sky as large as 36 full moons—a view 3,600 times larger than the Hubble Space Telescope’s main camera.
现在，每隔30秒，PS1就会拍摄一幅1400万像素的天空的一小块，和一个满月一样大--该图片比哈勃空间望远镜的主镜头获得的图片大3600倍。
Now, every 30 seconds PS1 snaps a 1,400-megapixel shot of a section of sky as large as 36 full moons—a view 3,600 times larger than the Hubble Space Telescope's main camera.
现在，每隔30秒，PS1就会拍摄一幅1400万像素的天空的一小块，和一个满月一样大--该图片比哈勃空间望远镜的主镜头获得的图片大3600倍。
Now, every 30 seconds PS1 snaps a 1,400-megapixel shot of a section of sky as large as 36 full moons—a view 3,600 times larger than the Hubble Space Telescope's main camera.
现在，每隔30秒，PS1就会拍摄一幅1400万像素的天空的一小块，和一个满月一样大--该图片比哈勃空间望远镜的主镜头获得的图片大3600倍。
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