You could even embed an executable file in a script — even another script — and then execute that script which might unpack another script. It boggles the mind.

Now, believe it or not, you can install and run PowerShell, the Windows shell language, on Linux as an Ubuntu snap. Snaps are containerised software packages.

The Windows Subsystem for Linux is bridging the divide between Windows and Linux by letting you run Windows 10 programs directly within a Linux shell.