RPGIV @ Work

A unique site for RPG and System i Lovers


Hi, this site will provide all what you need in System i and RPG developments.

My Name is Chamara Withanachchi, System i Expert and RPG Developer. And in the field for last 11 years.

I hope you will find lot of valuable information from this site

Chamara Withanachchi Print E-mail
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Written by Chamara Withanachchi   
{mosimage} IBM Certified IBM i Expert and RPG IV Programmer

I'm IBM Certified IBM i Expert and RPG IV Programmer having more than 12+ years of experience and member of COMMON user group, ISACA Member. I'm a Sri Lankan and currently living in Sri Lanka (Colombo).


Married to Dilani Gunaratne and she is also a System i Expert and RPG Programmer we married on 15th January 2006. We have a three years + old Boy, he is Chanithu Mandiv Withanachchi.


I have start loving IBM i (AS/400) in early 1990 when I was in junior college.



Technical Summarry



IBM i (iSeries, AS/400), PCs, Xseries servers

Operating System

OS/400, i5OS, DOS, UNIX/LINUX, Windows 95 / 98 / XP, Windows NT/2000/2003, Novel Netware


SQL, QUERY/400, MS Office, IBM Client Access 400/Express, Web Sphere Studio, Code 400. Lotus Smart Suit, Front Page, Lotus Domino, Lotus Notes.

Data Base

DB2/400, DB2 UDB, Informix, Oracle, MySQL


ILE/RPG (RPG iv), RPG/400, CL/400, SQL/400, Visual Basic, C++, Dbase III+, HTML, Lotus Scripts, Java.


SDA (Screen Design Aid), RLU (Report Layout Utility), Query 400, IBM Web Facing Tool, New Look, IBM Websphere Development Studio Client for System i, Crystal Reports, Apache Web server on iSeries AS/400, LINUX and Windows environment. 


MCAS – Municipal Conical Accounting System
ICBS - Comprehensive Banking System (Fiserv)
MASS – Member Account Software System
IMAS – Integrated Management Accounting System
System 21 – ERP System
BPCS ERP/MRP – Business Planning and Control System

  Picture was taken in our last vacation to Sri Lanka at Kandalama Hotel - Dambulla.

Out trip to Germany

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