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C Shell

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ALSO CALLED: Tab C Shell, csh, tcsh
DEFINITION: C shell is the UNIX shell (command execution program, often called a command interpreter) created by Bill Joy at the University of California at Berkeley as an alternative to UNIX's original shell, the Bourne shell. These two UNIX shells, along with the Korn shell, are the three most commonly used shells. The C shell program name is csh, and the shell prompt (the character displayed to indicate readiness  … 
Definition continues below.
C Shell Reports
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Computer Weekly 50th anniversary special
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EZINE: It's been 50 years since Computer Weekly's launch on 22 September 1966. To mark this achievement, we have compiled a special edition of the magazine to reflect on how much the British technology industry has contributed over that time.
Posted: 21 Sep 2016 | Published: 22 Sep 2016

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Computer Weekly – 12 March 2013: Will software-defined networking justify the hype?
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EZINE: In this week's Computer Weekly, we take an in-depth look at one of the hottest emerging technologies – software-defined networking – and what it means for IT departments. We visit Iceland, home of the greenest datacentres, and see what they offer to CIOs. And we look at the growth of governance as a key task for CIOs. Read the issue now.
Posted: 11 Mar 2013 | Published: 12 Mar 2013

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Computer Weekly – 15 November 2016: Counting the cost of financial cyber crime
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EZINE: In this week's Computer Weekly, the cyber security of banks is under scrutiny after an attack on Tesco Bank leads to millions lost in fraudulent transactions. Our latest buyer's guide, on server operating systems, looks at Windows Server 2016. And Coca-Cola explains how a move to the cloud is helping to motivate staff. Read the issue now.
Posted: 11 Nov 2016 | Published: 15 Nov 2016

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Computer Weekly – 19 November 2013: Software-defined networking explodes
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EZINE: In this week's Computer Weekly, we look at the fast-growing trend for software-defined networking, and how startups are shaking up the established suppliers. We examine the new guidelines for using bring your own device schemes in the public sector. And we find out how second-user software could save money on licensing. Read the issue now.
Posted: 18 Nov 2013 | Published: 18 Nov 2013

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Computer Weekly – 22 November 2016: IT spreads innovation at Unilever
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EZINE: In this week's Computer Weekly, we find out how consumer goods giant Unilever has changed its thinking about IT to support a global digital transformation. The UK boss of Hewlett Packard Enterprise assesses progress after the first year since HP split in two. And we examine how software development is changing in the enterprise. Read the issue now.
Posted: 18 Nov 2016 | Published: 22 Nov 2016

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Computer Weekly – 25 October 2016: 25 years of Linux
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EZINE: In this week's Computer Weekly, 25 years after Linus Torvalds released the Linux kernel, we look at how the open source operating system has influenced modern-day IT. Our new buyer's guide covers the fast-growing technology of object storage. And we examine the rise of corporate wireless networking. Read the issue now.
Posted: 24 Oct 2016 | Published: 25 Oct 2016

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Computer Weekly – 29 November 2016: Machine learning keeps customers happy at Ocado
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EZINE: In this week's Computer Weekly, we find out how data scientists at online grocer Ocado are using machine learning technology to deliver better customer service. Manufacturing giant GE is making a play to become a top 10 software supplier. And we examine the future of server operating systems as workloads move to the cloud. Read the issue now.
Posted: 28 Nov 2016 | Published: 29 Nov 2016

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Computer Weekly – 4 October 2016: How Microsoft aims to tackle information overload
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EZINE: In this week's Computer Weekly, we hear from Microsoft CEO Satya Nadella about how the firm wants to use cloud, machine learning and innovative datacentre technologies to open up access to information. Our new buyer's guide looks at network function virtualisation. And we examine the role of blockchain in cloud data security. Read the issue now.
Posted: 30 Sep 2016 | Published: 04 Oct 2016

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Computer Weekly – 10 December 2013: The most influential people in UK IT
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EZINE: In this week's Computer Weekly, we reveal our annual list of the 50 most influential people in UK IT, and also select 10 rising stars to look out for in 2014. We look back at the big changes in the datacentre environment this year. And we examine the growing popularity of agile development. Read the issue now.
Posted: 09 Dec 2013 | Published: 10 Dec 2013

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Computer Weekly – 11 November 2014: Migrating away from Windows Server 2003
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EZINE: In this week's Computer Weekly, as Microsoft prepares to end support for the popular Windows Server 2003 operating system, we assess the risks. We hear from IT leaders delivering benefits from enterprise social media use to improve staff collaboration. And we look at criticisms from Oracle users about software licensing. Read the issue now.
Posted: 07 Nov 2014 | Published: 07 Nov 2014

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Computer Weekly – 12 January 2016: How open source is beating proprietary software
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EZINE: In this week's Computer Weekly, our latest buyer's guide assesses the impact of open source software and how it is underpinning the digital revolution. We examine the prospects for cloud in financial services as regulators give their approval. And we ask if Uber is really part of a new business model for the sharing economy. Read the issue now.
Posted: 08 Jan 2016 | Published: 12 Jan 2016

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Computer Weekly – 12 May 2015: Augmented reality comes to corporate IT
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EZINE: In this week's Computer Weekly, we hear from early adopter Zurich Insurance about how augmented reality apps can become part of the corporate IT landscape. We look at Microsoft's Nano Server – the cut-down version of Windows Server designed for the cloud. And we assess the implications of the Nokia acquisition of Alcatel-Lucent. Read the issue now.
Posted: 08 May 2015 | Published: 08 May 2015

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Computer Weekly – 18 November 2014: Cloud providers are coming to Europe
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EZINE: In this week's Computer Weekly, more cloud providers are building datacentres in Europe in response to data protection concerns – we examine the latest developments. Microsoft is embracing the cloud and decoupling Office from Windows – we look at the implications for corporate IT. And we analyse the rise of desktop as a service. Read the issue now.
Posted: 14 Nov 2014 | Published: 14 Nov 2014

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Computer Weekly – 19 February 2013: Software Developers in demand
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EZINE: In this week's Computer Weekly, we look at why companies are struggling to attract the right talent for in-house IT. We investigate why CIOs are not happy with Oracle's Fusion strategy. And betting company William Hill tells us how mobile technology has changed the high street bookmaker. Read the issue now.
Posted: 18 Feb 2013 | Published: 19 Feb 2013

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Computer Weekly – 21 April 2015: The future of Moore's Law at 50
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EZINE: In this week's Computer Weekly, Moore's Law – the seminal forecast by Intel founder Gordon Moore that oversees technology development – is 50 years old. We look at its modern relevance and future implications. IT chiefs discuss whether Windows is still core to their strategy. And we look back at five years of government IT. Read the issue now.
Posted: 17 Apr 2015 | Published: 17 Apr 2015

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Computer Weekly – 22 April 2014: Adapting to life after Heartbleed
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EZINE: In this week's Computer Weekly, we investigate the most significant flaw in recent history to impact the internet. The Heartbleed bug in OpenSSL leaves millions of internet servers vulnerable to attack. Hackers have already exploited Heartbleed to steal passwords from the Mumsnet parenting site. What can websites do to foil future attacks?
Posted: 22 Apr 2014 | Published: 22 Apr 2014

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Computer Weekly – 23 April 2013: Time runs out for Windows XP – what should you do?
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EZINE: In this week's Computer Weekly, with less than a year until Microsoft ends support for Windows XP, we examine the options for the many firms still using the operating system. The PC market has seen a record slump in sales - what does it mean for the IT industry? Plus, we evaluate progress in moving software to the cloud. Read the issue now.
Posted: 22 Apr 2013 | Published: 23 Apr 2013

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Computer Weekly – 23 August 2016: Odeon and UCI Cinemas Group adopts hybrid cloud strategy
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EZINE: In this issue, we profile Odeon and UCI Cinemas Group's use of hybrid cloud as part of a digital transformation programme aimed at enhancing customer experience and staving off competition from on-demand streaming. We also look at the summertime game of musical chairs at the Government Digital Service, and at 50 years of business software.
Posted: 19 Aug 2016 | Published: 23 Aug 2016

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Computer Weekly – 25 February 2014: Banking with dinosaurs – the legacy IT crisis in financial services
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EZINE: In this week's Computer Weekly, we examine the IT problems at high-street banks, and learn how outsourcing led to the loss of key legacy IT skills. We ask what role wearable technology could have in enterprise IT. And we take an in-depth look at the tools for using Microsoft Azure for building hybrid clouds. Read the issue now.
Posted: 24 Feb 2014 | Published: 25 Feb 2014

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Computer Weekly – 26 August 2014: Can national security and privacy co-exist?
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EZINE: In this week's Computer Weekly, we talk to NSA whistleblower Bill Binney about the often-conflicting needs of security and privacy. We find out how Google is using artificial intelligence to improve datacentre energy efficiency. And we look at a project to use wearable technology and big data to help tackle Parkinson's disease. Read the issue now.
Posted: 26 Aug 2014 | Published: 22 Aug 2014

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Computer Weekly – 26 November 2013: Embracing wearable technology
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EZINE: In this week's Computer Weekly, we talk to the London researchers developing multi-sensory communications via wearable mobile devices. We report from the Gartner Symposium on how CIOs are turning away from traditional IT suppliers. And we look at the role of the IT leader in 2020. Read the issue now.
Posted: 25 Nov 2013 | Published: 26 Nov 2013

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Computer Weekly – 28 May 2013: The Ministry of Defence gets agile
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EZINE: In this week's Computer Weekly, we find out how agile development is helping the UK Ministry of Defence deliver complex military software. The CIO of the Lotus Formula One team explains the importance of data analytics to winning races. And we look at the IT innovation challenges facing financial services firms. Read the issue now.
Posted: 28 May 2013 | Published: 28 May 2013

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Computer Weekly – 3 December 2013: The future of local government IT
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EZINE: In this week's Computer Weekly, we look at how visionary IT leaders in local government plan to transform the delivery of digital public services. Our latest buyer's guide looks at the technology challenges of the internet of things. And do businesses dealing with tech-savvy consumers need a new approach to IT management? Read the issue now.
Posted: 02 Dec 2013 | Published: 03 Dec 2013

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Computer Weekly – 3 February 2015: Windows 10 in the enterprise
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EZINE: In this week's Computer Weekly, Microsoft has released more details of the forthcoming Windows 10 release – we look at what it means for enterprise IT. The UK government has set out its vision for an EU digital economy – we examine the issues. And our latest buyer's guide covers data science. Read the issue now.
Posted: 02 Feb 2015 | Published: 02 Feb 2015

TOPICS:  Software | Windows
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Computer Weekly – 5 November 2013: Windows Server 2012 R2 reviewed
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EZINE: In this week's Computer Weekly, we look at the latest release of Microsoft's Windows Server software, and assess its new features for cloud, virtualisation and device management. We visit Chinese networking giant Huawei to hear its business challenges over US security. And we look at the options for financing IT purchases. Read the issue now.
Posted: 04 Nov 2013 | Published: 04 Nov 2013

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C SHELL DEFINITION (continued): …  for user input) is the % symbol. The C shell was invented for programmers who prefer a syntax similar to that of the C programming language. The other popular member of the C shell family is called tcsh (for Tab C shell) and is an extended version of C shell. Some of tcsh's added features are: enhanced history substitution (which allows you to reuse commands you have already typed), spelling correction, and word completion (which allows you to type the first couple of letters in a word and hit the tab key to have the program complete it). Once considered "buggy", the C shell has had a number of … 
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