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System Administrators, or sysadmins, are the “installation specialists”, “configuration specialists” and “fixers” in IT. To get a better understanding of the type of IT training that sysadmins require, we compiled a list of the 10 most-attended Global Knowledge courses by sysadmins.

You know you need to invest in training, but how do you get the best return on investment (ROI) from your training dollars? To help you make smart training decisions, we've put together this guide, which illustrates some alternative and little-known payment options, the types of discounts and promotions available with training and a suggested list of courses that give you excellent value.