VanInfosys's Legacy Systems portfolio consists of IBM mainframe expertise that focuses on development, maintenance, and enhancement of legacy systems and components, and the web-enabling of the legacy systems.
Languages and Technologies

     COBOL
            Structured Programming
            Program Design
            Top-down Approach
            Modular Programming in COBOL
            Complete Structured Program

     JOB CONTROL LANGUAGE (JCL)
            Control statements required to process a job
            Users Identification
            Program Identity
            Specifying device requirements
            Run-time intervention
            Concept JOB AND JOB STEPS

     ACCESS METHOD (VSAM)
            Virtual Storage Access Method
            Manipulation of Data on (DASD)
            Storing OS Programs and Data
            Direct Access Storage Devices

     ONLINE TRANSACTION PROCESSING (OLTP)
            Customer Information Control System (CICS)
            Data Base/ Data Communication
            Control concurrently running programs
            Application Program Services
            Data Handling Functions
            Data-Communication Functions

Version Control Tools
     Endevor
     Changeman
     Al Chemist
     Panvalet

Debugging Tools
     Xpeditor

Other Tools
     SPUFI
     QMF
     DCLGEN
     INTRATEST

Operating Systems
     OS/390
     Z/OS
     MVS

Relational Database Management System (RDBMS)
     Structured Query Language (SQL)
     DB2
     Oracle
     SQL Processor Using File Input

Other Tools
     Query Management Facility