当在Linux或MacOS中发出下面两个命令时,Shell会话退出,没有显示任何错误消息。➜ ~ shsh-3.2$ exit ==> 'exit' was issued by the shell itself!
- sh -4.1$ sh-版本GNU bash,版本4.1.2(1)-release (x86_64-redhat-<em
有许多shell命令,如
Shell is a program which takes command; ** does this mean that it interprets those commands(likels is interpreted by shell program)?**
还有一个问题,Shell程序是用什么语言编写的?