Defining a map function is thus really just a matter of determining what you want to grab from an incoming line of text.
定义一个map函数实际上只是一个关于确定您从即将输入的文本行中捕获什么内容的问题。
2
The xargs command then takes each process ID (since you used -l 1 to grab one line at a time), and USES sudo kill -hup to send each one a hangup signal.
然后，xargs命令接受每个进程ID(因为使用了- l 1以便一次提取一行内容)，并使用sudo kill - HUP向相应的进程发送一个挂起信号。
3
I order my small black coffee, hand the barista my debit card, grab the pen to sign off, and halt at the gratuity line.