SGRD KSysGuard (KDE System Guard) Worksheet File (KDE e.V) SGS SansGUI Schema Definition File SGS Sitestepper Skeleton File (E.De.L.Com bvba) SGSAV caseCATalyst (Stenograph, L.L.C.) SGSTN caseCATalyst (Stenograph, L.L.C.) SGSYS caseCATalyst (Stenograph, L.L.C.) SGT Signature...