help in using this command

i have using linux for about a year ,

but i dont know much of command stuff , i can click and do stuff

i started using mx linux fluxbux recently , i was having issues with drop up menu in chromium browser

looked on google and found this link :
https://www.antixforum.com/forums/to...sment-summary/

after doing this ( google-chrome idisable-features=SendMouseLeaveEvents ) drop down menu works

but i have type it everytime on terminal , isnt there any easy way do it ,

also when i close terminal , browser get closed

why is it and any solution