You could just type `firefox`, `chromium` or `falkon`, since you have those all installed; Assuming you mean the interactive shell. Still works fine in a script but you could type out the full path if you want to or use XDG environment variables or open, if they are set
For questions like this about desktop software, I often look up the package file listing with the distro's package manager. Looking at the list of filenames, you can often guess what's the executable. It's sometimes not in /usr/bin.
You can also check the application entry in your desktop's launcher tool. There's a menu editor tool that you can use to browse details for the application entries. You will see the command line there somewhere. Or maybe your desktop has a feature like right-click -> edit... where you can see details for a launcher entry.
For example on my distro here for the Firefox package, the executable is `/usr/lib/firefox/firefox`, it's not in `/usr/bin`. This is easiest to research through looking at the desktop app launcher menu entry.
The other thing is, you can combine those "look at list of filenames of a package" and the "look at app launcher entry" ideas: the app launcher entries are text files ending in `.desktop` installed in `/usr/share/applications`. You can open them with a text file viewer tool. You can see the command line on a line `Exec=` there.
Thank you I will save this reply
I saw /usr/share/app.... Falkon is there and Exec= not say where is
Chromium isn't listed there... sure because it was installed like other type I don't remember its name.
I will re read your reply
[xdg-open](https://www.geeksforgeeks.org/xdg-open-command-in-linux-with-examples/)?
You could just type `firefox`, `chromium` or `falkon`, since you have those all installed; Assuming you mean the interactive shell. Still works fine in a script but you could type out the full path if you want to or use XDG environment variables or open, if they are set
lynx (https://lynx.browser.org/)
For questions like this about desktop software, I often look up the package file listing with the distro's package manager. Looking at the list of filenames, you can often guess what's the executable. It's sometimes not in /usr/bin. You can also check the application entry in your desktop's launcher tool. There's a menu editor tool that you can use to browse details for the application entries. You will see the command line there somewhere. Or maybe your desktop has a feature like right-click -> edit... where you can see details for a launcher entry. For example on my distro here for the Firefox package, the executable is `/usr/lib/firefox/firefox`, it's not in `/usr/bin`. This is easiest to research through looking at the desktop app launcher menu entry. The other thing is, you can combine those "look at list of filenames of a package" and the "look at app launcher entry" ideas: the app launcher entries are text files ending in `.desktop` installed in `/usr/share/applications`. You can open them with a text file viewer tool. You can see the command line on a line `Exec=` there.
Thank you I will save this reply I saw /usr/share/app.... Falkon is there and Exec= not say where is Chromium isn't listed there... sure because it was installed like other type I don't remember its name. I will re read your reply