Ask the Experts
Ask the Experts
Data center server infrastructure and OSes
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What is the architecture of DB2?
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Deleting the top 10 rows in a table
Find out the best way to use the SQL DELETE statement to delete rows from a table. Continue Reading
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What SQL can be used in a compound SQL statement?
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The pros and cons of IPsec
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Roaming profiles for Linux users
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Integrating and operating VB with MySQL
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What is the difference between a compiler and an interpreter?
Ken Milberg explains the difference between a compiler and an interpreter. Continue Reading
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Configure LSF in a Unix environment (Solaris and Linux)
Find out how to configure Load Sharing Facility (LSF) in Unix and Linux. Continue Reading
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Security differences between Linux and Unix
As close cousins, both Unix and Linux share many similar security concepts. But there are significant differences in how, and exactly what, security is implemented on Unix and Linux platforms. These differences, however, are more dependent on the ... Continue Reading
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Using CORBA as your client-server interface
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Recover deleted records from a MySQL table
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Postfix vs. sendmail
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Migrating from Exchange to a Linux mail server
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Closing a VSAM file in CICS
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The differences between System V and BSD Unix
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What is database refreshing?
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How are checkpoints used in Sybase?
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Samba servers and multiple domains
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Why does Linux keep time from Jan. 1, 1970?
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What is the max memory addressable by COBOL?
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Can open source sendmail scale for a growing company?
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What are some COBOL coding techniques for performance?
Get performance tips to use when coding in COBOL. Continue Reading
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Uppercase to lowercase in VS COBOL II
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Dynamic file allocation in COBOL
We need to create a unique DSN from within a COBOL program. The actual name of the file needs to be unique for every execution of the program. Continue Reading
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Can I convert a legacy file to XML with COBOL?
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What is the difference between utility computing and grid computing?
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What IBM MVS commands will safely shut down a stuck task?
Mainframes don't always operate as they should. In extreme circumstances, the FORCE command can help close down a stuck program. Continue Reading
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What is the role of XML in managing open source apps?
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What is the difference between open source and open standards?
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Counting characters in COBOL
How do I define the length of the query? Is there any predefined function that calculates the length of the string in COBOL? Continue Reading
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Naming and renaming MySQL files for case sensitivity
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Converting a decimal to BCD in Java
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What are the pros and cons of Linux versus Windows for corporate desktops?
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Using IEBEDIT to randomize Job Control Language steps on the mainframe
The IEBEDIT utility for mainframe programming copies data into new data sets and retains the original order. So is it possible to switch IEBEDIT to 'random mode'? Continue Reading
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How to enable and view user audit logs in Linux
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Creating a table with a MUL column
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Is there an open source alternative to IBM's Websphere?
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MyISAM and foreign key support
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What is meant by application hardening?
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Are there Visual Basic equivalents for Linux?
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Which is better and more stable: Windows, Unix or Linux?
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What can you do with the "cat" command?
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What happens when you type the "cat" command?
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Query hints to override optimizer
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Getting error 1006: Can't create database
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Security differences between Linux and Windows
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The best Linux hardening tools
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Troubleshooting CICS SOS messages.
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Is MySQL relational?
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How is a C program stored in memory?
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ICETOOL, SYNCTOOL utilities exclude mainframe subset files
Mainframe programmers can turn to ICETOOL and SYNCTOOL utilities to avoid writing a COBOL program when working with records. Continue Reading
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Multiple starts on the same CICS transaction
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Using yum vs. RPM
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Estimating the database size
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Who are Red Hat's biggest competitors?
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Is there a Linux equivalent of Microsoft's Active Directory?
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What is the advantage of GCC compiler over CC compiler?
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Distributing and licensing software under the GPL
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Migrating from Oracle to Linux -- tips and TCO considerations
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How to configure Samba and give users a home directories on a Red Hat server
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Can I run OpenOffice and MS Office on the same machine?
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Changing the IP address
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Configuring Solaris to be a Sybase data server host
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Windows versus Red Hat: Pros and cons
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The task of creating CICS regions
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Is there a log file in Samba to keep track of users' access?
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Is Linux behind MS Windows and Unix in scalability?
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Passing data to/from the mainframe
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Which is better CTG or MQ?
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The advantages/disadvantages of using CICS socket interface or ECI
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Sharing a TSQ between several CICS regions
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What is a CICS region?
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How many firewall layers does my company need?
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Can a COBOL program running on z/OS read an MS SQL server database?
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Problems with debugging
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Connection refused by Exchange server
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What does a Unix shop need to know about Linux?
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WebSphere configuration and installation
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Two ways to get some JCL submitted from CICS
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Design screens and then generate BMS maps for CICS
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Overview of VSAM SHAREOPTIONS
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Watch out when changing the name of IBM VSAM files
You can rename VSAM datasets, but you might lock the mainframe out of VSAM files if you do it incorrectly. Here's how to change a VSAM name. Continue Reading
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Sending e-mail attachments from Unix systems to Windows recipients
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How to call COBOL/IMS from CICS or batch?
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I keep getting AYED Abend when I use the following command...
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What is the maximum length for a TSQ record?
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What's the difference between a COLD start and a WARM start in CICS?
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What is the meaning of error message DFHAC2206, ASRA abend?
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Is there a command that will help me locate a file in a CICS region easily?
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In CICS, what are the storage limits of TS queues, TD queues and GETMAIN?
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Getting errors when using JCA adapter mechanism in Java to talk to CICS program
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Need help initiating a CICS command from a JCL
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Is there a way to manage DFHCSD file using the batch utility DFHCSDUP?
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Do you have to be in a TOR/AOR config to go from CICS v4R1 to CICS TS?
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What does the abend code AWBM mean and why is it occurring?
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How can I change the date in both CICS batch and online environments?
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What is the meaning of the following error message (pertaining to AZI6 abend)?
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What are the options for turning a CICS screen into a GUI screen?
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Why and when do you get RLED, RLCP, RL CICS abend codes?
Learn more about the causes of these abend codes. Continue Reading
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How do I handle DEADLOCKs in CICS/DB2 on-line applications?