17 ms·They're a pain to use though since you need to pass that on the command line.by skykooler 7y agoThey're a pain to use though since you need to pass that on the command line.brixon 7y agoRight click on the icon, select properties and add the flag in the target.amelius 7y agoYes, that's how I do it too. I have a bunch of Firefox icons in my top panel (Gnome), each one with a different profile. Setting this up is as simple as parent says. You can change the icons too.