At least on a percentage basis, the Steam Linux marketshare grew slightly for January 2018.
The monthly statistics are out from Valve and the Steam Survey shows the Steam Linux marketshare for the month at 0.41%, or an increase of +0.15%. It's quite an increase for Linux but for January macOS reported a 0.42% increase (1.84% overall) while Windows still dominates with a 97.76% marketshare.
Some of the products that appear on this site are from companies from which QuinStreet receives compensation. This compensation may impact how and where products appear on this site including, for example, the order in which they appear. QuinStreet does not include all companies or all types of products available in the marketplace.