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ALSO CALLED: Advanced Interactive Executive, BSD UNIX, AIX, Irix, HP-UX, Berkeley Source Distribution, Xenix, Santa Cruz Operation UNIX, IBM AIX, Berkeley UNIX, SCO UNIX, Ultrix, Intel-based UNIX, HPUX
DEFINITION: Flex is an open source program designed to automatically and quickly generate scanners, also known as tokenizers, which recognize lexical patterns in text. Flex is an acronym that stands for "fast lexical analyzer generator. " It is a free alternative to Lex, the standard lexical analyzer generator in Unix-based systems. Flex was originally written in the C programming language by Vern Paxson  … 

UNIX definition sponsored by SearchEnterpriseLinux.com, powered by WhatIs.com an online computer dictionary
UNIX Reports
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Open Group technical document: The Single Unix Specification
sponsored by ComputerWeekly.com
WHITE PAPER: This document is designed for users, developers, and implementors of open systems. It provides complete infor mation on what’s new in the Single UNIX Specification, Version 4, including POSIX.1-2008,with comprehensive reference material on every aspect.
Posted: 20 Oct 2011 | Published: 25 Oct 2010

ComputerWeekly.com

Unix to Linux Migration Implementation Tips
sponsored by SearchDataCenter.com
EGUIDE: Access this essential e-guide from our editors to discover how migrating from Unix to Linux platform can increase flexibility while reducing overall licensing costs. Also, get implementation tips for porting, upgrading and testing applications for optimal stability and performance.
Posted: 27 Jun 2011 | Published: 27 Jun 2011

SearchDataCenter.com

Unix-to-Linux Migration
sponsored by SearchDataCenter.com
EGUIDE: Get a step-by-step approach for data center managers that covers everything from making the business case to getting the best training. Sections in this IT Handbook include training staff to manage linux environments and much more.
Posted: 29 Mar 2011 | Published: 29 Mar 2011

SearchDataCenter.com

IBM Data Studio - Available at no charge
sponsored by IBM
TRIAL SOFTWARE: IBM Data Studio provides an integrated, modular environment for productive administration of DB2 for Linux, UNIX and Windows, and collaborative database development tools for DB2, Informix, Oracle, and Sybase. View this page to get an overview of its components and download a trial of Data Studio with a free database, DB2 Express-C.
Posted: 20 Dec 2011 | Premiered: 20 Dec 2011

IBM

Success Story: Peerless Clothing
sponsored by SUSE
CASE STUDY: Peerless Clothing deployed its SAP* environment on SUSE® Linux Enterprise Server, saving at least $700,000 compared to the cost of a UNIX-based solution. Learn how.
Posted: 25 Oct 2011 | Published: 27 Oct 2011

SUSE

Unix-to-Linux Migration
sponsored by Red Hat & IBM
EGUIDE: This essential guide from SearchEnterpriseLinux.com covers everything you need to know about a Linux migration.
Posted: 13 Oct 2011 | Published: 13 Oct 2011

Red Hat & IBM

Presentation Transcript: Mission-critical Unix Considerations
sponsored by HP & Intel®
PRESENTATION TRANSCRIPT: Unix remains an important platform for critical enterprise applications. This resource explores the staying power of this venerable operating system and details many of the emerging factors that are affecting its use in the data center.
Posted: 20 Jul 2011 | Published: 20 Jul 2011

HP & Intel®

Unix to Linux Migration Tips: Overcome Common Challenges
sponsored by Red Hat & IBM
EGUIDE: Access this expert resource to discover how to overcome common migration challenges, with respect to hardware and availability issues. Also learn how the New York Stock Exchange benefitted from a Unix-to-Linux migration to keep up with demanding business transactions with minimal downtime.
Posted: 20 Jun 2011 | Published: 20 Jun 2011

Red Hat & IBM

Red Hat Server Modernization TCO Calculator
sponsored by Red Hat & IBM
ASSESSMENT TOOL: This assessment tool compares the projected costs of growing and maintaining a current Unix based server environment with the costs of migrating to a Red Hat Enterprise Linux server environment.
Posted: 09 Jun 2011 | Published: 09 Jun 2011

Red Hat & IBM

Choosing the Right Active Directory Bridge Solution - Quest Authentication Services
sponsored by Dell Software
WHITE PAPER: Access this white paper to learn about key questions to ask when evaluation Active Directory bridge solutions and discover benefits to your IT environment including; more efficiency, higher security and better compliance.
Posted: 24 May 2011 | Published: 23 May 2011

Dell Software

Leverage your Oracle 11g skills to learn DB2 9.7 for Linux, UNIX and Windows
sponsored by IBM
WHITE PAPER: Learn how your existing professional database knowledge makes it easy for you to learn IBM DB2 9.7 for Linux, UNIX and Windows.
Posted: 17 May 2011 | Published: 17 May 2011

IBM

Presentation Transcript: New economies of Unix mission critical computing
sponsored by HP & Intel®
PRESENTATION TRANSCRIPT: In this presentation transcript learn why moving to Unix can help address concerns of uptime, flexibility and improved service levels when managing mission critical systems.
Posted: 11 Apr 2011 | Published: 11 Apr 2011

HP & Intel®

Expert migration tips: Moving from Unix to Linux
sponsored by DLT Solutions.
EGUIDE: In this expert e-guide from SearchEnterpriseLinux.com, discover what makes migrating from Unix to Linux attractive, including increased platform flexibility. And learn why it is essential to have a testing environment for gauging stability and performance of your applications.
Posted: 08 Mar 2011 | Published: 08 Mar 2011

DLT Solutions.

Expert Advice for Making the Move From Unix to Linux
sponsored by Red Hat and HP
EGUIDE: Once you know how to make a business case for migration, learn how to train your Unix staff to manage Linux environments. Find out about key differences between the two operating systems and provide your team with tactics for optimal backup and performance monitoring.
Posted: 24 Feb 2011 | Published: 23 Feb 2011

Red Hat and HP

Expert Migration Tips: Moving from Unix to Linux
sponsored by Red Hat and HP
EGUIDE: In this expert e-guide from SearchEnterpriseLinux.com, discover what makes migrating from Unix to Linux attractive, including increased platform flexibility. And learn why it is essential to have a testing environment for gauging stability and performance of your applications.
Posted: 16 Feb 2011 | Published: 15 Feb 2011

Red Hat and HP

E-Book: Unix-to-Linux Migration: A step-by-step approach for data center managers that covers everything from making the business case to getting the best training
sponsored by Red Hat & IBM
EBOOK: When migrating from  Unix to Linux, the most important case you will need to make is not a technical case but a business case. It’s all about the bottom line. How will the business benefit by moving over? What is the total cost of ownership and return on investment for the migration? Read on to learn more!
Posted: 08 Dec 2010 | Published: 08 Dec 2010

Red Hat & IBM

Harmonizing the Twin Trends of Open Source and Virtualization: How Kernel Based Virtual Machine (KVM) Drives Enterprise Business Value
sponsored by Red Hat & IBM
WHITE PAPER: In the 1960s, computers housed in data centers were few in number and this resource was very expensive. As a result utilization of those compute resources was kept very high. In order to optimize the utilization of those...
Posted: 22 Nov 2010 | Published: 22 Nov 2010

Red Hat & IBM

KVM - Kernel Based Virtual Machine
sponsored by Red Hat & IBM
WHITE PAPER: The x86 architecture has proven to be the dominate platform in enterprise computing, moving from its humble beginnings in desktop systems to now, powering the large enterprise applications that run businesses across the globe.
Posted: 22 Nov 2010 | Published: 22 Nov 2010

Red Hat & IBM

Linux Made Easy: Migrating From Unix
sponsored by Red Hat & IBM
WHITE PAPER: Organizations are considering migrating to Linux to receive dramatic cost reductions, as well as increased stability, security, uptime, and availability. Red Hat® Network Satellite helps to make the migration from a proprietary UNIX environment—and acceptance of Linux...
Posted: 22 Nov 2010 | Published: 22 Nov 2010

Red Hat & IBM

HRG Assessment - Linux Migration
sponsored by Red Hat & IBM
WHITE PAPER: The migration from proprietary UNIX and legacy hardware and software-based environments to Linux on x86 Intel architecture (IA) is an effective way to take cost and complexity out of IT.
Posted: 22 Nov 2010 | Published: 22 Nov 2010

Red Hat & IBM

Presentation Transcript: Solaris to Linux - Six-Step Migration Guide
sponsored by Mainline Information Systems
PRESENTATION TRANSCRIPT: If you are considering a migration from Sun Solaris to Linux-based systems, we would like to help you understand how a migration would impact your environment.  In six steps, Ryan Hagen, Solutions Architect for Mainline Information Systems™, will show you how a successful migration is achieved.
Posted: 19 Oct 2010 | Published: 19 Oct 2010

Mainline Information Systems

DeveloperWorks Weekly Newsletter
sponsored by IBM
NEWSLETTER: Welcome to the developerWorks weekly newsletter, your connection to the latest and greatest developer resources on our site! You can customize your weekly newsletter to include only those topics that interest you.
Posted: 13 Sep 2010 | Published: 13 Sep 2010

IBM

RedBook: Oracle to DB2 Conversion Guide - Compatibility Made Easy
sponsored by IBM
WHITE PAPER: New IBM DB2 features make compatibility easy. In this guide, you’ll learn about native support for PL/SQL, new data types, scalar functions, improved concurrency, built-in packages, OCI, SQL*Plus, data movement tools, best practices and more—all designed to improve your ability to run applications on both DB2 and Oracle platforms
Posted: 01 Sep 2010 | Published: 01 Sep 2010

IBM

Presentation Transcript: Why Enterprises Can’t Afford to NOT Use UNIX for Business-Critical Systems
sponsored by HP & Intel®
PRESENTATION TRANSCRIPT: Companies that use UNIX for business critical systems find value in its reliability, stability and memory management. Learn how not using UNIX can affect the performance and reliability of your business critical systems.
Posted: 24 Aug 2010 | Published: 23 Aug 2010

HP & Intel®

IBM Takes Command of the UNIX Data Center - POWER7 Enables Growth, Lower Costs
sponsored by IBM
WHITE PAPER: IBM continues to provide the scale-up UNIX data center with a plan, and a predictable drumbeat, for the future. To learn more about IBM’s forthcoming POWER7 and AIX7, please read on.
Posted: 15 Jun 2010 | Published: 21 Sep 2009

IBM
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