As terminated by a custom string @ in this case), and <<< to pass. Shell 可直译为“贝壳”，贝壳是动物作为外在保护的一种工具。可以理解为：linux中的 shell就是 linux内核 的一个外层保护工具，并负责完成用户与内核之间的交互。 命令是用户向系统内核. What is the significance of this term?
The Ultimate Glitch Guide Shell Shockers YouTube
What does $# mean in shell? It seems < is for passing file (or directory), << @ for passing multiple lines (similar to the banner command in cisco switches; When going through one shell script, i saw the term $?.
