OS popularity:
Red Hat Enterprise Linux                43%
Ubuntu                                  37%
CentOS                                  33%
Other                                   24%
SUSE Enterprise Linux           22%
Debian                                  22%
Fedora                                  16%
OpenSUSE                                11%
FreeBSD                                   9%
OpenBSD                                   4%


Hardware platforms in use:
x86 64-bit (AMD, Intel)                 80%
x86 32-bit (AMD, Intel)                 56%
Virtual (KVM, VMware, Xen, etc)         51%
IBM System z mainframe                  11%
Other                                           11%
ARM                                                      8%
Embedded                                                 8%
IBM POWER                                        4%
Itanium                                          1%


Companies most sought after to provide training:
Red Hat                         69%
The Linux Foundation            60%
Canonical                               44%
SUSE                            32%
Other                           18%

How much are people willing to spend on training:
up to $150              51%
$150 - $300     20%
$300 - $500     25%
more than $500    4%