Looking for something to decorate the walls of your cubicle or office. This collection of posters draws from various sources. They can add a bit of color to your surroundings, build up your credibility, and most importantly, provide easy-to-read, easy-to-find reference information.
Microsoft
Microsoft offers a ton of posters if you just search the Download Center for ‘poster’. I found sorting by newest release date helps find the most relevant. Just a few interesting examples:
Windows Embedded 8.1 Industry lockdown and branding
Identity and Authentication in the cloud: Office 2013 and Office 365
Windows Server 2008 R2 Feature Components
Windows Server 2012 R2 Private Cloud Virtualization and Storage
PacketLife
A wide variety of “cheat sheets” that provide quick sources for info on protocols, ports, applications, syntax, and more topics.
O’Reilly
Free posters from O’Reilly including the animals, a history of programming languages timeline, Linux anatomy, and Open Source Route Map.
Gnu/Linux Distribution Timeline
Version 12.10 of this poster tracks distros as they fork off.
Fluke Networks
Fluke provides a free Ethernet Connectivity poster that you can order by mail, once you place an order you can also download a digital copy of the poster.
SysAdmin Code of Ethics
From the League of Professional System Administrators, you can get the System Administrators’ Code of Ethics as a PDF in poster or diploma format.
U.S Government Bookstore
Depending on what industry you work in, this poster of US Frequency Allocations: the radio spectrum chart could be very handy.