Crossword clues for Systems. 5 letters:KAZAAOld file-sharing system that was basically 50/50 whether a file was a song or a crippling virusLINUXOpen-source operating systemFADERAuto sound-system controlTENETBelief system componentNUTRISystem start-up?MARTAAtlanta's public transit systemALICEDilbert engineer whose "cardiovascular system is basically coffee"TAEBOFitness system endorsed by Billy BlanksSOUNDWith 50-Down, vehicle with a PA systemTAEBOWorkout system involving martial artsGREGGShorthand systemISAACShorthand-system inventor PitmanOCTALLike the number system used by the Na'vi, in "Avatar"GLYPHSymbol in an old writing systemISAACFirst name of an author with works in nine of the ten Dewey Decimal System categoriesSHELFWall-system partMSDOSComputer operating systemTAEBOFitness system developed by Billy BlanksTELEXOutmoded communications systemDOGMASystem of principlesASCIIPC character systemETHOSBasic belief systemSEPTAPhilly mass transit systemATESTThis is ___ of the emergency broadcast system ...EDSELMake with the Teletouch systemNODESLymphatic system partsETHOSCultural value systemATARIMaker of the VCS game systemTCELLImmune system agentGE2KEBecome conscious of systemic societal problemsUBAHNBerlin's subway systemETHICSystem of moral valuesTAEBOHybrid fitness system popular in the '90sTCELLTiny part of the immune systemHELMSSteering systems at seaMETROParisian systemANSELZone System photographer AdamsTAXISLine in a grid systemLORANEarly seagoing wayfinding systemGAMEDRigged, as the systemDRONEBit of modern technology banned from general use in the US National Park systemTSLOTPart of a bandsaw's support systemATARIReleaser of the VCS game system in 2020DUCTSVentilation system partsLORANRadio-based navigation systemALTAIMountain system of central AsiaTAEBOBilly Blanks's fitness systemETHICMoral systemDOGMABeliever's systemLINUXOperating system choice