Which file format on Linux is the same as .exe on Windows - executable and main program launcher? I tried to launch application on Ubuntu 5 but cannot do that!:/ That one that looks like a cats paw also is useless in this Q(question)!..

I'm not sure I completely understand your question, so let me answer to the best of my ability.

(GNU/)Linux can't run the Windows program format (.exe) natively. However, there is a windows program loader, wine, which will run them (with varying degrees of success). I say `program loader', because Wine Is No Emulator

The native GNU/Linux programs are stored in a format called ELF. For instance,
It will also run the older a.out format, and IIRC newer kernels also support a format called COFF. You may want to google for the format names for more information.

Also, you may be interested in what ld does.

Hope this helps.

I think the question is more how to make a linux file executable, rather than run a windows .exe. There isn't a special extension to execute files with linux. This is set by changing the permissions of a file, if you want to make something executable you need to change these permissions. If you're using gnome, there should be a way to do this by right clicking on the file, the going to properties. Another way to do this that would be good to know is through the command line with the command chmod. The simplest way would probably be chmod +x [file name] There's other options that might be good to know that you can learn by typing man chmod into a terminal.