© Thomas Kunz 2000
SCE 574
169
Simple Batch Systems
äAre
the first operating systems (mid-50s)
äThe
user submit a job (written on card or tape) to a computer operator
äThe
computer operator place a batch
of several
jobs on a input device
äA special program, the monitor, manages the execution of each program in the
batch
äResident monitor is in main
memory and available for execution
äMonitor
utilities are loaded when needed