10
Simple Batch Systems
nAre the first operating systems (mid-50s)
nThe user submit a job (written on card or tape) to a
computer operator
nThe
computer operator place a batch
of several
jobs on a input device
nA
special program, the monitor,
manages the execution of each program in the batch
nResident monitor is in main
memory and available for execution
nMonitor utilities are loaded when needed