[Ham-Computers] Need DOS help

[Jim Hill]

I want to add code to a bootable DOS disk so a program in a folder is 
automatically run when the disk is used.  For example, suppose I add 
a folder called Newfolder, and this folder has a subfolder called 
alltests, which contains a file called testa.exe

Should I add the following two lines to the bottom?  My DOS knowledge 
is mostly forgotten.

Path = A:/Newfolder/all tests
testa

Thanks, Jim