INTRODUCTION TO MAINFRAMES

Posted: May 16, 2011 in TECH ZONE
MAINFRAMES
IBM Mainframe eServer zSeries 990
Mainframes Unique Features:
  • can store large volume of data.
  • High processing speed.
  • High computing capacity
  • Lakhs of users can be processed Concurrently
  • Virus Free Environment
  • Highly secured System
  • It can be Interfaced with any toher application like web enable Application or Data Ware Housing Application
> Mainframe Computers are produced by different companies
  1. HP
  2. BULL
  3. HONEY WELL
  4. IBM
  5. IBM – 95% of the Mainframes projects are done on IBM Mainframes.
> IBM producing Mainframe Machines are   ES/9000( MVS OS),  ES/9221, s/390, z10
 
> Operating systems are MVS(Multiple Virtual Storage), MVS/ESA( Enterprise System Architecture), ZOS(Zero downtime Operating System.
 
> Applications of Mainframes
  • Banking Applications ( loans, cards processing system, daily transactions)
  • Financial Institutions
  • Insurance Institutions (automobile Insurance, Property Insurance, Health Insurance, re-insurance)
  • Retro Insurance Applications( insurance to Re-insurance)
  • Telecom Applications
  • Stock Trade ( buying,selling of shares, Brokerage calculations, Agent commission calculations)
  • Manufacturing (automobile, motors, electrical products, switches)
> Any Mainframe Application Mainly dividied into 2 types
  • Batch Process (uses  Cobol, JCL,DB2, VSAM)
  • Online Process (uses Cobol,JCL,DB2,VSAM,CICS.
> The different modules in Mainframes Course are
  • COBOL
  • JCL
  • DB2
  • VSAM
  • CICS
  • TOOLS

so Lets Start with the COBOL Module. Its a 10 sessions course,  all documented in word doc and uploaded.

  1. INTRODUCTION  :  Mainframe-INTRO.docx
  2. COBOL SESSION1 : COBOL(s1).docx
  3. COBOS SESSION2:  COBOL(s2).docx
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