Z Drive is read only so i cannot create config.sys file manually. Also, there is no text editor. however i can download a simple text editor for dos and run it on my Ipad. but the main problem still lies in the config.sys file. Please help

Dear frens I am using DOSBOX in Win10 sucessfully. but I have a small problem. i want to run my digital diary dos based application which requires two lines to be added to CONFIG.SYS file. But i cannot find the config.sys file in dosbox. i want to add these two lines to config.sys file FILES=150 …