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OpenBSD has a well-deserved reputation for fanatic security. Why does the U.S. military DARPA fund this Canadian-based software via the Composable High Assurance Trusted Systems program? [ONLamp.com]
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This article provides the way by which Windows XP (English Edition) can be converted into any language supported by UNICODE.

Official UK-based magazine for Windows XP users.

Explains many of the data collection and use practices of the Microsoft Windows operating system "Windows XP Service Pack 2".

Provides technical hardware and software tweaking information.

Links to Macintosh underground sites.

Team of Macintosh underground developers, creators of ZapAttack, MacSmurf, SYNer and Cyanide.

Developers and administrators dedicated to forwarding the MacOS as a viable and secure network server environment.

File server information, downloads and links for the Macintosh.

Team2600 is the oldest Macintosh-only underground group now defunct and unmaintained.

Commentary, links and reviews with an underground perspective.

Fever's updated list of underground links.

Homepage of WeeDo, developer of GrouchySmurf and StreamEdit.

Mainframe training and consulting in French, Dutch and English. With offices in Belgium and the Netherlands.

z/OS and zSeries implementation, migration, upgrades, performance, tuning and capacity planning. Unix system administration for z/OS Unix System Services, mainframe and other Linux, AIX, HP-UX and Sol

Technical computing training, including VSE, z/OS Unix System Services, and both IBM and non-IBM mainframe systems software. Computer-based training, competency assessment and classroom courses.

Mainframe (z/OS, z/VM, VSE/ESA and zLinux) and open systems data center outsourcing services, including disaster recovery and business continuity with an emphasis on hospital and insurance organizatio

Mark Lillycrop's UK-based company offers IT research, writing and marketing services, specializing in business continuity, security, service management, storage and mainframe data center strategy in E

Chicago-area Consultant. Installs CICS, MVS, OS/390, and z/OS. Systems programming of mainframe products: maintain, tune, audit, strategize, and advise.

Specialists in maintaining, upgrading and enhancing mainframe systems software. Including several formalized, field-tested service offerings.

Specializes in maintaining mainframe applications, either on-site in the Philadelphia to New York City corridor, or telecommuting anywhere in the world.

Lars Ritzman's Swedish consulting firm offering z/OS systems programming, specializing in IMS.

Facilities management, outsourcing, systems programming, application performance tuning and disaster recovery services. Subsidiary of the tire manufacturer.

European z/VM, z/Linux, z/OS, VSE/ESA, CICS/TS, mainframe and Websphere systems consultancy.

DB2 and CICS migration specialists, combining software and services for: IMS to DB2, VSAM to DB2, CA-IDMS to DB2, ADABAS to DB2, CA-Datacom to DB2, Total/Supra to DB2 and IMS/TM to CICS.

U.S. training, consulting and software education in Application development, z/OS, WebSphere, Networks and MQSeries.

z/OS, z/VM and VSE systems programming, training and Assembler. Specialists in Phoenix's Key/Master data entry system. Based in Asheville, North Carolina.

z/OS Systems Programmers, Joanna Gordon and Mark Conner, provide consulting services from Dallas, Texas.

Consulting and training company offering DB2, mainframe programming, security and Unix courses.

Buys and sells hardware, including IBM mainframe systems and components.

An IBM partner/reseller and Lotus Notes business partner offering a variety of products and services for eserver zSeries running z/OS, z/VM and VSE/ESA operating systems.

CCI bundles nearly 40 mostly-z/OS courses, offering them through distributors, inexpensively on CD-ROM or Web-based.

Specializing in VSE/ESA training, with consulting also available.

Public and in-house training courses in CICS/TS, CICS Web programming, HTML, XML, SOAP, Java and WebSphere. Also offers CICS/TS consulting services.

System Performance Engineer for IBM mainframe Systems programming, database and application development, and mainframe tuning.

Internet access to a mainframe; z/OS time-sharing, including TSO, CICS, DB2, SAS, via Internet: tn3270 and ftp. Also, media conversion, laser printing, and mailing and direct marketing services.

Canadian company providing mainframe courses, table management software, software testing and consulting.

PeopleSoft consulting, performance tuning and education. Specializing in z/OS DB2 implementations of PeopleSoft software.
Members a broader understanding of all of the PeopleTools components and how they work on the Mainframe, enabling them to more effectively communicate with other team members. Typically, for instance,  a Security Administrator may be an expert in PeopleTools security, but may not understand how the Process Scheduler works when building security objects. This class will help to bridge that gap.  It is not a generic platform independent class - it focuses specifically on PeopleTools on

Datatask's computer-based training for z/OS and VSE/ESA.

CD-ROM-based training containing 36 mainframe OS/390 courses. Includes one z/VM course.

Based in Vienna, Virginia, specializing in TPF (Transaction Processing Facility) consulting.

EDS’ managed mainframe services provide you with a spectrum of mainframe IT solutions for the IBM z/series platform in a data center environment. Includes managed services and IT mainframe outsourci

Consulting services and training for BMC Software's CONTROL-M, CONTROL-D, and other mainframe IOA products.

HDS offers both vendor-neutral and HDS-specific education worldwide, much of it relevant to their mainframe storage and software products.

HTS offers consulting services, contract consulting and Staff augmentation. Provides mainframe consulting services and application development.

IBM Global Services Consulting: Business Continuity and Recovery Services for IBM Mainframe (z/Series) and open systems environments.

Gateway to IBM computing and professional training. Select country/region and subject area, including many mainframe choices. Both classroom and self-study.

IBM mainframe training reviews, software development, placement and recruiting services in India.

European specialist in z/OS-based platforms, including integration with Unix, Linux and Windows NT.

System integrator integrating hardware, software and consulting, specializing in IBM mainframes. Home page lists IBM, Linux, Java and other industry News; a software product is also featured.

Configuration management specialists for CA-Endevor offering consulting services, training and software to implement their methodology.

An industry analyst and consultancy serving users and vendors of corporate IT.

IBM Advanced Business Partner that provides all-inclusive mainframe-based solutions, including hardware, software, planning, customization, training and support.

z/OS-based and related on-site and custom classroom courses plus consulting services.

A Florida-based freelance contract z/OS Assembler programmer willing to travel or telecommute.

Specializes in Mainframe Technical Consulting Support and Services for z/OS, OS/390, ROSCOE, CICS, DB2, ISV products, DASD, JCL, VSAM, COBOL, and Operation Support utilizing Mainframe technology.

Information Technology consulting firm, specializing in IBM mainframe systems software support, enterprise server technology, and mainframe connectivity to other Client/Server and e-business platforms

Information Availability Institute provides both generic and DB2-specific availability skills training.

Provides product specific expertise on z/OS, DB2, CICS, IMS and WebSphere, as well as customized software development for mission-critical applications.

MMIS is Barry Graham's mainframe hardware and software negotiation consulting practise, including the periodicals Mainframe Market Monitor, Mainframe Market Bulletin and Enterprise Data Center.

Specializes in marketing, supporting and migrating storage and IBM zSeries mainframe servers. Also works with IBM midrange servers.

Internet-based Systems Programming training for z/OS and zSeries mainframe platforms leading to three levels of specialist certification.

Provides on-site mainframe training courses including PL/I, IMS, DB2 and JCL. Courses can often be tailored to meet specific customer requirements.

z/OS classroom courses and Datatrain mainframe computer-based training, mostly in English, in the Netherlands and Belgium.

MSI provides z/Series hotsite and hardware maintenance and upgrade services.

Offers the complete Spectrum of IBM Certified Training, across the entire US.

Public and custom on-site IBM mainframe classroom training and books/reference guides, especially z/OS JCL, COBOL and WebSphere.

An I.B.M. business partner functioning as a software distributor, consulting services and technical training/education provider. Services include z/OS, DB2, and Data Security.

Provides education, consulting and PAI/O Driver software to assist in acquiring and managing storage subsystems in a z/OS environment.

An Information Technology Education and Services firm specializing in z/OS Mainframe, Enterprise UNIX, Linux, and open-standards technologies.

Providers of Enterprise-Class Hardware and Maintenance, Data Destruction and Compliance Services. An IT asset management concern featuring refurbished IBM mainframes, midrange processors and periph

A provider of consulting and planning services for enterprise storage solutions, advanced recovery, business continuity and disaster recovery mainframe z/Series and large systems environments.

A Chicago-area company offering new and used IBM mainframes, Flex-ES mainframe systems, upgrades, peripherals and services, including backup and disaster recovery.

On-site and remote z/VM and Linux applications and systems programming services.

Offers remote database management support. 24/7 support of database environments and operating systems in place of or in addition to client resources.

Public and on-site training for mainframe application developers, systems programmers and operators. From Assembler to z/OS. Encompasses Circle Education, Amdahl Education, Laird Ståhl Training and

Canadian consulting firm specializing in mainframe application and systems programming.

z/OS and mainframe hardware data centre management and systems programming. Packaged services include System Sanity Check, Quantitative Statistical Decision Analysis (QSDA), Joint Application Design

Self-study, including many mainframe, courses offered on CD-ROM, or as 3 and 12 month Web-based training subscriptions. Formerly FirstClass Systems.

Specializes in IBM S/390 mainframe solutions, Multiprise 3000 and Numa-Q hardware, software and maintenance packages.

Mainframe software asset management (SAM) and software asset optimization for both IBM and non-IBM software.

An affiliated group of IBM Business Partners providing DB2, CICS TS, IMS, MQ and Tivoli product seminars, education, and customized migration and installation plans for version to version installation

Provides various AS/400 solutions including managed hosting, hardware maintenance, and disaster recovery across north America.

Large training company with heavy emphasis on the mainframe, including a few systems analysis classroom courses.

Mainframe system software consulting and training - z/OS, CICS, IMS and WebSphere.

Technical, instructor led training. Courses in the following main areas: Data communications and networking, Telecommunications, Security, UNIX systems, Microsoft systems and programming.

Offers mainframe systems: both the zSeries and Intel-based FLEX/ES mainframe emulation. And disaster recovery and systems programming services.

Headquartered in Maryland, with z/OS-based scheduled public mainframe courses in U.S. cities.

TEI publishes technical periodicals, hosts conferences and provides Internet services and general management for professional organizations. It began with the mainly mainframe NaSPA organization.

Instructor-led courses offered in many major U.S. cities, including many mainframe topics.

Public and in-house classroom, mostly IBM mainframe, courses. Formerly Techknowledge Training and Amdahl Education.

Heavy emphasis on mainframe classroom courses, mostly for z/OS environments. Also offers Remote Contact Training (RCT).

Training for computer operators based on simulation of the z/OS main console, including hands-on IPL. There is also a junior systems programmer module.

U.S. site with links to Verhoef's UK and South African site. z/OS-based mainframe education includes public classroom courses, on-site training and user group courses and seminars.

Provides training and mentoring, mostly in computing topics; course materials are also available for use by a client's own instructors. Mainframe courses are available.

Classroom courses for Application Programmers using IBM Mainframes. Services include Curriculum Design and Development, Database Design and Maintenance, Leadership Development, Mentoring, Programming

The 1973 test written by Dr. Jack M. Wolfe, to determine how well suited (aptitude) an individual is to Mainframe Technical Support (Systems Programming); it does not test knowledge. Currently availa

A technical and market research organization focused on the computing needs of organizations with IBM mainframes. Provides technical journals and reports for both management and support staff.

Mainframe Systems Programming and Application Development, specializing in OPC and Tivoli Service Desk.

DB2 consulting and education for z/OS and other platforms.

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