Welcome to Mainframe Servers

Technical Computer Seminars provides IBM OS/390 MVS training to corporate clients. In-house (at the client's site) or public classes are available.

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Mainframe, Midrange, & Micro Computers, plus Technical Articles

Since 1980 we've made tools for users and managers of MVS and OS/390 systems

Providing free software tools for OS/390 and z/OS installations to satisfy systems programmer and end user requirements.

Kompetente EDV-Systemberatung, Systemadministration, Systemprogrammierung und Datenbankadministration rund um OS/390, DB2, IMS, WinNT, Linux, SuSE, und DB2/UDB

Joanna Gordon has 39 years experience as a system software programmer and technician. Her clients include leading edge development and Fortune 100 companies. ...

Axodi : édition de progiciels, expertise et outils pour les sites informatiques IBM/MVS.

Cheryl Watson and Watson & Walker, Inc. offer practical OS/390 and MVS mainframe tuning and measurement advice through classes, a newsletter - Cheryl Watson's ...