Crossword clues for Computer operator 4 letters:UNIXWidely used computer operating systemUNDOReverse, as a computer operationUNIXComputer operating systemUSERComputer operator, e.g.UNIXPioneering computer operating systemUSERComputer operatorUNIXLongtime computer operating systemUNIXComputer operating system developed at AT&TUNIXComputer operating system since the '60sUNIXComputer operating system developed at Bell LabsUNIXPopular computer operating systemUNIXComputer operating system developed by Bell LabsUNIXEarly computer operating systemUNIXMultiuser computer operating systemUNIXComputer workstation operating systemICONPicture used by a computer's operating systemLOOPFor or "while" operation in computer programmingUSESOperates, as a computerCORDLESSMOUSEBattery-operated computer accessoryLINUXComputer operating systemLINUXComputer operating system with a penguin mascotITTEAMExpert computer operations group ... to which the answers to starred clues belong?ALIASCriminals and computer operators may use oneDOSComputer operating system: acron.DOSOld computer operating systemALTKey with Ctrl and Delete in a computer operationMSDOSComputer operating system of oldFLOORSHIFTFoot-operated computer key?TWOBase of computer operationsIKEEPHITTINGTHEComputer operator's lament: Part 1USERSComputer operatorsMSDOSComputer operating systemMACROComputer operator's timesaverENDUSERSMost computer operatorsSLIPPEDDISKSComputer operator's health problem?ROTTENAPPLESBad snacks for computer operators?SHORTTERMMEMORYForgetful computer operator's lack?KERNELCore of a computer's operating systemSYSOPComputer bulletin board operatorOFFLINEOperating independent of the computerMODULO___ operation: division calculation in computingHER2013 film whose title refers to a computer operating systemNORNegative operation in computing logic