Linux Geeks Do It In The Terminal T-Shirt Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester Imported Machine wash cold with like colors, dry low heat Linux Geeks Do It In The Terminal If you're a systems administrator and use the Linux terminal or just love using Linux, this great funny t-shirt was made with you in mind! Lightweight, Classic fit, Double-needle sleeve and bottom hem