There are two ways to display the lines in a file in reverse order: tac (the reverse of cat) and the command tail -r.
有两种方法可以逆序显示文件中的行：tac(将cat反过来)和tail - r命令。
2
The verbose trace will display data from the parameters of system calls (-x all) and the contents of the buffer for both Read (-r all) and Write (-w all) calls.
详细的跟踪会显示来自系统调用参数的数据(- x all)以及Read (- r all)和Write (- w all)调用的缓冲区的内容。
3
Michael Pollan: There is so much biochemistry on display on the supermarket and r?ling around our heads today.