G'day and welcome Pullockaran.
Tell us a little more about this little program, it tickled me curiosity.
Good Day to you all, Firejail is a simple sandbox programme available as a .deb file or on dpkg/apt-get, similar to the now open source Sandboxie for Windows XP and above. Sandboxie, Webroot anti-virus along with Evorim Free firewall is like a safety net for surfing the net while using Windows for games. I mentioned Evorim because Microsoft abhors it to the core. Install it on a Windows 64 bit machine and you will know why; when you go to the application and services menu of the Evorim Software. The number of windows applications calling home is mind boggling even with all parameters of O&OShutup10 toggled on.
I mentioned Webroot because the virus-signatures are on the cloud, which means it is an extremely frugal install, but requires an always on net connection though. For gaming on Windows the combination is unbeatable after experimenting since 1996 on Windows with varied software. Waiting for Steam/Proton for Linux to fine tune their software and bid goodbye to Windows completely.
A divorce is on the cards anyway after the father-in-law(Microsoft) refused to keep Windows 7 updated. I have no interest in the bloated sister-in-law(Windows 10) who the father-in-law is trying to pawn on to me, since my rickety houseboat(computer) will capsize with her weight and constant nagging.
Unfortunately for Firejail, Google Chrome does not work in Firejail, but all other browsers do, because there is supposedly a conflict with Google Chrome's own sandbox. I tried all permutations and combinations with my limited knowledge in Linux that I have garnered, since getting my feet wet with Linux BeatrIX by Steven Watsky, but to no avail. If anyone of you can get Firejail to foxtrot along with Google Chrome, just like Firefox does, I would be very grateful.
I want to make Firejail, Gufw and ClamwinTK along with bare-bones bourbon classic desktop Q4OS, my mainstay in all my computers and laptops after divorcing the Windows family for good. Presently it is a chore keeping both of them families happy.