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11
  • thanks. Is it true that in terminal, we always have to explicitly specify which application to open a file (except script with shebang)? Does the settings of which application to open a file of a certain format by default belong to the file manager (e.g. Nautilus), while it is not an issue when we are living in terminals? Commented Aug 7, 2014 at 16:31
  • If you want to use the Gnome associations from the command line, you can use the command gnome-open. I'm sure there are similar command line tools for the other desktop environments. Edit: I just note that John WH Smith gives a command that is independent from your desktop environment. Commented Aug 7, 2014 at 16:35
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    Correction: the shebang line is not a message to the kernel; it's a message to the shell. Commented Aug 7, 2014 at 22:21
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    @Kazark: coderwall.com/p/pdg77q Commented Aug 8, 2014 at 9:21
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    Since the link to actual code in that linked page doesn't seem to work now, here's another link to the kernel code handling shebang lines: lxr.free-electrons.com/source/fs/binfmt_script.c — of course you could also just install the kernel sources yourself and look into the file. Commented Aug 8, 2014 at 9:30