bat 多次调用同一个bat

两个脚本同时执行，打开两个cmd执行两个bat
start ssh-key-install.bat C:myfolder\a.txt 
start ssh-key-install.bat C:myfolder\b.txt

排序执行，打开一个cmd,轮流执行
start /wait ssh-key-install.bat C:myfolder\a.txt 
start /wait ssh-key-install.bat C:myfolder\b.txt

   start 指令带有轮流执行参数  /wait