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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  … 
Definition continues below.
UNIX Reports
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Moving from Unix to Red Hat Enterprise Linux: Now is the Time
sponsored by Red Hat
BROCHURE: This informative brochure discusses the current state of UNIX systems and why organizations are migrating their legacy UNIX systems to Linux platforms. Read on to learn the benefits of this migration and how you can help prepare your business for the future.
Posted: 11 Aug 2015 | Published: 29 May 2015

Red Hat

Is Proprietary Unix Finally Dead?
sponsored by Dell, Inc. and Intel®
WHITE PAPER: The following white paper examines the dying breed of Unix and offers insight into a new server system that can allow businesses to keep pace with changing demands to the data center. Access now and learn more on what this system can do for your own data center.
Posted: 09 Jul 2015 | Published: 09 Jul 2015

Dell, Inc. and Intel®

Controlling Data Center Costs
sponsored by Red Hat
VIDEO: This informative video outlines how replacing legacy Unix systems with updated Linux systems can prevent your resources from being drained, as maximize the efficiency of your data center. Tune in to learn how migrating data from Unix to Linux can increase ROI, reduce IT staff downtime, and more.
Posted: 07 Jul 2015 | Premiered: 14 Apr 2014

Red Hat

Best practices for enterprise systems management
sponsored by TechTarget
RESOURCE: Access this exclusive guide that compiles key tips and tricks for minimizing top systems management and maintenance challenges in today's organizations. Ensure your IT infrastructure continues to run smoothly with help from the SearchDataCenter.com editorial team.
Posted: 12 Jun 2014 | Published: 25 Sep 2014

TechTarget

UNIX to Linux Migration Assessment
sponsored by Red Hat
RESOURCE: Explore this in-depth resource to discover how the migration to Linux impacts organizations, as well as information about other ways to remove cost and complexity from IT infrastructures.
Posted: 02 Apr 2014 | Published: 31 Dec 2010

Red Hat

Migrate from AIX Confidently with Linux
sponsored by Red Hat
WHITE PAPER: This white paper explains more about the reasons to migrate to Linux, including increasing hardware choices and moving commodity platforms, as well as why Red Hat Enterprise Linux could be exactly the platform you need.
Posted: 02 Apr 2014 | Published: 02 Apr 2014

Red Hat

The Total Economic Impact of Migrating from Unix to Red Hat Enterprise Linux
sponsored by Red Hat
VIDEO: This video presentation examines the total economic impact of migrating from Unix to Red Hat Enterprise Linux based on research from Forrester.
Posted: 02 Dec 2013 | Premiered: 29 Apr 2013

Red Hat

Expert Strategies for Making a Unix-to-Linux Business Case
sponsored by SearchDataCenter.com
EGUIDE: Access this expert e-guide and discover how to make the business case for your Unix-to-Linux migration. Learn how to clearly outline Unix limitations and what benefits will be achieved with Linux.
Posted: 09 Oct 2012 | Published: 09 Oct 2012

SearchDataCenter.com

Unix to Linux migrations: How to overcome pitfalls while increasing ROI
sponsored by SearchDataCenter.com
EGUIDE: In this expert e-guide, discover how your organization can get the most value from a UNIX to Linux migration and overcome common pitfalls. This resource presents top considerations for making the switch and how you can evaluate the potential ROI of a UNIX to Linux migration.
Posted: 29 Aug 2012 | Published: 29 Aug 2012

SearchDataCenter.com

How Controlling Access to Privileged Accounts Can Keep Insider Threat from Hurting Your Bottom Line
sponsored by BeyondTrust Corporation
WHITE PAPER: Access control is a necessity. Read this paper to identify a line of identity and access solutions that address these problems inside the perimeter and, ultimately, your enterprise's bottom line and reputation.
Posted: 24 Jul 2014 | Published: 16 Feb 2009

BeyondTrust Corporation

Oracle's SPARC Server Portfolio
sponsored by Oracle Corporation
WEBCAST: Watch this webcast to learn about Oracle's refresh of their SPARC Server portfolio, and how you can benefit from this refresh with operational gains such as increased performance, seamless scalability, and more.
Posted: 10 Jun 2014 | Premiered: Oct 2, 2013

Oracle Corporation

Oracle Solaris: Providing A Server Solution with the Cloud in Mind
sponsored by Oracle Corporation
WHITE PAPER: Explore this informative resource to learn about a server hardware and operating system paring from Oracle that can provide you the instant benefits of improved application performance, availability, increased eco-efficiency, and more.
Posted: 10 Jun 2014 | Published: 10 Jun 2014

Oracle Corporation

Getting Started on a Unix-To-Linux Migration
sponsored by Red Hat
EGUIDE: In this expert e-guide, learn how to make the migration less complex and more fun. From starting your migration with a thorough assessment to examining the code and determining the system administration functions.
Posted: 09 May 2014 | Published: 09 May 2014

TOPICS:  Linux | UNIX
Red Hat

Real-world Identity and Access Management (IAM) for Unix-based Systems
sponsored by Dell Software
WHITE PAPER: Unix systems face special IAM challenges. Discover how to be overcome them with the right practices and tools, enabling you to enhance security, achieve compliance and dramatically improve operational efficiency.
Posted: 03 Mar 2014 | Published: 04 Mar 2013

Dell Software

Top Linux Commands to be Aware of
sponsored by IBM
WHITE PAPER: This e-guide from SearchDataCenter.com examines the crucial commands that can facilitate both Unix and Linux system daily tasks.
Posted: 19 Feb 2014 | Published: 19 Feb 2014

IBM

SAP platform showdown
sponsored by IBM
WHITE PAPER: In this informative study, find out the real-word impact of deploying SAP on IBM's Power platforms, as opposed to SAP on HP x86, Dell x86 and HP Itanium, all running with Oracle DB.
Posted: 15 Nov 2013 | Published: 15 Nov 2013

IBM

Comparing Virtualization Methods for Business
sponsored by IBM.
WEBCAST: This webcast compares the business impact of virtualization on three available platforms, x86, unix and zEnterprise.
Posted: 12 Nov 2013 | Premiered: Oct 23, 2013

IBM.

Modern Infrastructure E-Zine: October 2013
sponsored by SearchDataCenter.com
WHITE PAPER: This Modern Infrastructure issue looks at how Azure could surpass Windows Server in importance, the role of Unix platforms in the enterprise, as well as networking and infrastructure technology necessary to run successful BYO-friendly IT shops.
Posted: 01 Oct 2013 | Published: 01 Oct 2013

SearchDataCenter.com

Is Your Platform Secure? Really?
sponsored by IBM
WHITE PAPER: This resource analyzes three of today's top platforms, IBM Power, x86, and UNIX, revealing how their built-in security components fared based upon both business and technical perspectives.
Posted: 17 Jul 2013 | Published: 17 Jul 2013

IBM

With Enhanced POWER7 Systems, IBM Raises the Ceiling, Again
sponsored by IBM
WHITE PAPER: This white paper identifies the three major players in the UNIX landscape and points out the strengths and limitations of each.
Posted: 16 Jul 2013 | Published: 10 May 2011

IBM

The Advantages of Virtualized Linux for Business-Critical Applications
sponsored by SUSE
WHITE PAPER: This expert paper explains how migrating from UNIX-based systems to Linux standard-based servers can simplify the virtualization of your critical applications, enabling improved performance, reliability and agility.
Posted: 18 Apr 2013 | Published: 18 Apr 2013

SUSE

Value Proposition for IBM Power Systems: Comparing Costs of IBM PowerVM and x86 VMware for Enterprise Server Virtualization
sponsored by IBM
WHITE PAPER: This white paper examines the advantages of an integrated, UNIX-based server virtualization platform. Compare the TCO and workload capabilities of this architecture with its popular x86 counterparts to determine a best-suited virtualization approach for your organization.
Posted: 11 Apr 2013 | Published: 11 Apr 2013

IBM

Verizon Communications Red Hat Innovation Award Winner Optimized Systems
sponsored by Red Hat and HP
WHITE PAPER: Access this exclusive paper to discover how communication giant Verizon migrated to Linux and reduced costs, improved performance, increased scalability and improved energy conservation.
Posted: 10 Apr 2013 | Published: 10 Apr 2013

Red Hat and HP

Red Hat Provides CEPSA with a Scalable, Standardized, High-Availability SAP Platform
sponsored by Red Hat and HP
WHITE PAPER: Access this exclusive study to learn how an energy company improved SAP platform response time, reduced infrastructure costs and built a standardized, scalable platform with high availability by switching to standard servers running on in a Linux environment.
Posted: 10 Apr 2013 | Published: 10 Apr 2013

Red Hat and HP

Migrating from UNIX*/RISC* to Red Hat Enterprise Linux®on Intel® processor-based Servers
sponsored by Red Hat and HP
WHITE PAPER: This white paper provides high-level guidelines for assessing cost and complexity of a Linux migration and provides tips for planning a smooth, successful and strategic transition. Discover how your organization can add value to its IT infrastructure with the use of open source software.
Posted: 18 Jul 2012 | Published: 31 Dec 2009

Red Hat and HP
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UNIX DEFINITION (continued): … 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 in 1987.Lex is proprietary but versions based on the original code are available as open source. These include not only Flex but components of OpenSolaris and Plan 9. Lexical analysis is the processing of character sequences such as source code to produce symbol sequences called tokens for use as input to other programs such as parsers.
UNIX definition sponsored by SearchEnterpriseLinux.com, powered by WhatIs.com an online computer dictionary

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