Two Questions

[Sönke Ludwig]

- about 55% Windows 8.1/64 (but development mostly using DMD/32, except 
for cases where the MS linker is needed)
- about 40%  Linux Mint/64
- the rest on Mac/64 and rarely FreeBSD/64

I'm most used to Windows and still have a few applications (graphics) 
that only run there + also develop GUI applications that need to be 
tested there constantly, but the main reason development-wise is still 
quick access to the VisualStudio debugger.

However, Cinnamon looks really nice and I'm considering switching back 
to mostly Linux. Working on Mac OS just never felt quite as efficient as 
on the other systems, mostly due to the awkward keyboard layout and key 
combinations required there.

64-bit OS... mostly to make full use of the system RAM and the CPU and 
because the memory overhead doesn't really matter.