EXIT
(exit)
退出 CMD.EXE 程序(命令翻译程序)或当前批处理脚本。
EXIT [/B] [exitCode]
/B 指定要退出当前批处理脚本而不是 CMD.EXE。如果从一个
批处理脚本外执行，则会退出 CMD.EXE
exitCode 指定一个数字号码。如果指定了 /B，将 ERRORLEVEL
设成那个数字。如果退出 CMD.EXE，则用那个数字设置
过程退出代码。
Quits the CMD.EXE program (command interpreter) or the current batch script.
EXIT [/B] [exitCode]
/B specifies to exit the current batch script instead of CMD.EXE. If executed from outside a batch script, it will quit CMD.EXE
exitCode specifies a numeric number. if /B is specified, sets ERRORLEVEL that number. If quitting CMD.EXE, sets the process exit code with that number.