First, make sure that you have a "rooted" Android cell phone so you can do things like run Terminal and execute the su command to obtain root privileges.

首先，确保您拥有一个“获得根授权的”Android手机，以便您能够执行类似运行terminal并执行su命令这样的操作来获取根权限。

youdao

In a terminal (the command line window found in the Accessories menu), using either of the two commands below show you who else is logged in and how long they've been idle.

在终端(通过Accessories菜单打开的命令行窗口)中，可以使用以下两个命令显示登录的其他用户以及他们已经空闲了多长时间。

youdao

However, even if I wrote twice as much Ruby code, the total number of lines that I typed into an editor or the command line of my terminal shell is less than 100 lines.

然而，即使我写两倍的Ruby代码，我编辑器或在终端shell命令行中输入的代码行总量也少于100行。

youdao

Of course the Mac was created in part as sort of a backlash against the command line interface of DOS (typing long strings of complicated computing commands, not pointing and clicking with a mouse like we're used to now), though Mac OS X now boasts a Unix Shell terminal with its own command line interface.

FORBES: Dual-Personality Macs