Welcome to George Barr's Technical History

Software
IBM VM SP/HPO/XA/ESA
ICL GEORGE II DME/3
ICL TME
ITL/CTL TAD
SQL/DS
VTAM plus NPM
Application System
ISQL/QMF
REXX/XEDIT
COBOL
FORTRAN
Web Site Related
Plus many minor languages and tools.
Years
12
4
1
3
7
3
7
7
12
7
2
3
20+
Description
IBM's interactive mainframe OS and software.
ICL's batch mainframe operating system.
ICL's interactive operating system.
ITL's interactive/batch operating system.
Relational Database.
Network and performance.
4th generating programming language.
Relational database programming languages.
Programming and Job control under IBM's OS's.
2nd generation (Commercial) programming language.
2nd generation (Scientific) programming language.
Web Site Design and Development.
 
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