There is so much information out there that it is impossible to remember everything you have read or came across. That’s why bookmarking is so important; hundreds of them in the form of cheat sheets, quick reference cards, one-pagers, pensieves, or anything you want to call them. There are some really smart people out there who have put together some fantastic resources to help you quickly find what you need.
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When you only need to know how to do something quickly – not the reasoning behind it or the theory – and you don’t have time to read a 2,000-word whitepaper on how to put together a one-line command, you need a cheat sheet.

That’s why we’ve created this compendium of some of the best of these resources for you to use, save, or bookmark. Many are in PDF format, some are text, and a few are online only, but they are chock-full of great information.


PowerShell is the de facto administrative interface for Microsoft operating systems and applications. Even when you are running in a GUI, there’s PowerShell performing all the work in the background, so knowing PowerShell is vital. Cheat sheets abound online. Here’s a set of the best of the best.

Windows PowerShell 4.0 and Other Quick Reference Guides

Windows PowerShell 3.0 and Server Manager Quick Reference Guides

Aptillon Windows PowerShell Cheat Sheet

Windows PowerShell Quick Reference

Windows PowerShell 2 For Dummies

PowerShell Quick Reference v3.03 by Dimitri Koens


Windows PowerShell 3.0 Language Quick Reference

PowerShell Integrated Scripting Environment 3.0

Windows PowerShell 3.0 Examples

Powershell: Regex Cheat Sheet

PowerShell for Exchange 2010–Cheat Sheet


Exchange Shell Quick Reference (2007)

In addition, there are 11 great monthly newsletters from that, while not exactly in “cheat sheet” format, are well worth the download. See the complete collection at

Active Directory

At the heart of every enterprise is Active Directory. Being able to manage it from the command line makes scripting and automation much more direct and efficient.

Active Directory PowerShell Quick Reference

Brakertech Active Directory Cheat Sheet

Microsoft Active Directory Ports cheat sheet

Windows Logging Cheat Sheet


Active Directory Auditing

Other Microsoft cheat sheets

Here’s a mixed bag of other cheat sheets and references for various Microsoft products, including user and server applications.

SharePoint 2013 Cheat Sheet

SharePoint 2010 Cheat Sheet

Office 365 Cheat Sheet for users

Access 2013

Excel 2013

Lync 2013

Outlook 2013

PowerPoint 2013

Project 2013

Word 2013

Access 2010

Excel 2010

Outlook 2010

PowerPoint 2010

Project 2010

Word 2010

Windows 8

Windows 7

Windows Server 2012 Windows PowerShell Web Access

Windows command line reference

SQL Server Cheat Sheet

SQL Data Types and Conversion, Functions, and Creation

Apple cheat sheets

Cheat sheets do not only exist for Microsoft products, but there are a handful for Apple.


Excel 2011

Outlook 2011

PowerPoint 2011

Word 2011

iPad Cheat Sheet

Linux and Unix

Linux and Unix also have a collection of cheat sheets online.

VI/VIM Graphical Cheat Sheet

OpenSSH Quick Reference

Rosetta Stone for UNIX

AWK Cheat Sheet

Ed Unix Text Editor Cheat Sheet

Unix Toolbox



Here’s a short list for networking engineers and sys admins. PacketLife has more than a dozen all on one page.

Protocol encapsulation chart from Wildpackets’s huge collection of protocol and networking cheat sheets

NMAP Cheat Sheet

SANS Institute TCP/IP Reference


And since most of us have to do some web work from time to time, here are some cheat sheets for those of us who are not devs, but still have to bang out some limited code or like to customize our blogs.

HTML Cheat Sheet

HTML / XHTML Quick Reference

HTML Codes Cheat Sheet

HTML Color Codes

WordPress Theme Cheat Sheet

WordPress Helper Sheet

HTTP/1.1 Status Codes

HTML Cheat Sheet

HTML Character Entities Cheat Sheet

RGB Hex Colour Chart

JavaScript Cheat Sheet


If you use VMware for virtualization, there are some pretty handy references as well.

PowerCLI Quick Reference

vSphere 5.0 vReference Card

vSphere 4.1 vReference Card

esxtop & vscsiStats creditcard sized reference

ESX3 vmreference card

Just a few more things

You will need a login but Dzone has a huge collection of cheat sheets for sys admins. Certainly worth exploring if you want to sign up.

Expert cheat sheets and tutorial guides for developers

With all the great cheat sheets posted online, this list is certainly not exhaustive. Do you have any favorites?  Leave a comment with a link below and let us know what your go-to resources are.

For more cheet sheets for sys admins check out:

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