When executing the following command line:
C:\\>\"C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe\" \"https://aaa.com\" --new-window <
C:\\>\"C:\\Program Files (x86)\\Google\\Chrome\\Application\\chrome.exe\" \"https://aaa.com\" --new-window
in Mozilla FireFox you can do it like
firefox.exe -new-window "www.google.com" firefox.exe -new-tab "www.google.com"
in Google Chrome you can do it like
chrome.exe --app="www.google.com" chrome.exe --kiosk "www.google.com"