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mos's Introduction

  • This is my Operating System Course Project.
  • A Virtual Implemention of routines of OS.
  • Project consited of three phases. Phase3 is final phase for project.
  • Works for any no. of jobs. Supports input spooling, output spooling, paging.
  • First two phases consist of only C code.Phase 3 consist of python wrapper over original code.

MOS(Multiprogramming Operating System)

  • Used for execution of multiple jobs
  • Job should be defined ,well structured.
  • System Will Report Error ,For Wrong Jobs With Proper Error Messages.
  • Series of Jobs should be kept in input.txt.
  • Afer processing of jobs output can be seen output.txt
  • Random memory allocation for program card used using paging.

Job can consist of Instruction

  • GD-Get Data
  • PD-Print Data
  • LR-Load Register From Memory
  • SR-Store Register From Memory
  • CR-Compare Register And Memory
  • BT-Branch Toggle(Checks Toggle Variable)
  • H- Denotes end of job.
  • Job should start with $AMJ
  • There is $DTA after declaration of program cards and before data cards
  • Job should end with $END

Tools used

  • Gcc compiler
  • Emacs
  • Gdb

mos's People

Contributors

rohan-doshi avatar

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