GEVER TULLY: 5 DANGEROUS THINGS YOU SHOULD LET YOUR KIDS DO Welcome to "Five Dangerous Things You Should Let Your Children Do." I don’t have children. I borrow my friends’ children‚ so (Laughter) take all this advice with a grain of salt.I’m Gever Tulley. I’m a contract computer scientist by trade‚ but I’m the founder of something called the Tinkering School. It’s a summer program which aims to help kids to learn how to build the things that they think of. So we build a lot of things. And I do
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Process Handling in Linux POS 420 October 11‚ 2005 In Linux processes communicate with each other and with the kernel to coordinate their activities. Linux supports a number of Inter-Process Communication (IPC) mechanisms. Signals and pipes are two of them but Linux also supports the System V IPC mechanisms named after the Unix TM release in which they first appeared. Signals are one of the oldest inter-process communication methods used by Unix TM systems. The common Linux shells all allow redirection
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Running head: Protection Scheme in UNIX® Richard Cooper POS/355 - INTRODUCTION TO OPERATING SYSTEMS 5/21/15 Instructor: ANTHONY ISOM Protection Scheme in UNIX® As there is a requirement to support 5‚000 users within an organization‚ there are certain ways in which access to a particular file can allow access to 4‚990 users in total. Within UNIX‚ file access is maintained through the file system and structure that is maintained below the single root folder‚ ‘/ ’. By viewing the contents of a file
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Case 2.1 Server Downtime As part of the first assignment‚ research and analysis of the downtime on a client’s primary network servers during the month of April must be done in order to further prepare a presentation to the company’s management. Downtime refers to a period of time that a system fails to provide or perform its primary function. The term is commonly applied to networks and servers. Server downtime‚ a period of time when the server is unusable‚ is prevented by close monitoring and
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Let’s say that you are sitting at your computer‚ surfing the Web‚ and you get a call from a friend who says‚ "I just read a great article! Type in this URL and check it out. It’s at http://computer.howstuffworks.com/web-server.htm." So you type that URL into your browser and press return. And magically‚ no matter where in the world that URL lives‚ the page pops up on your screen. At the most basic level possible‚ the following diagram shows the steps that brought that page to your screen: # INCLUDEPICTURE
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Object-Oriented Analysis and Design - CDT309 Period 4‚ Spring 2008 Use cases: deciding what you want Marcelo Santos – OOAD-CDT309‚ Spring 2008‚ IDE-MdH Marcelo Santos – OOAD-CDT309‚ Spring 2008‚ IDE-MdH Functional requirements • Describe what processings the system is required to carry out • Provide details of the inputs to the system • Provide details of the outputs: reports‚ forms‚ windows‚ etc. • Provide details of the data the system will held inputs processing • What is
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directories you do not create file systems for automatically become part of the root (/) filesystem. Linux temporarily stores programs and data on a swap partition when it doesn’t have enough RAM to hold all the information it is processing. you can use mkswap to make space and swapon to enable it. -Fedora supports i386/i686‚ x86_64‚ and Mac Powerpc -ls list the contents of a directory‚ ls –l gives a detailed list‚ ls –a shows hidden files -cd changes a directory‚ su – takes you straight to your root
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Essay‚ Research Paper: So Far From God Literature Free Literature essays posted on this site were donated by users and are provided for informational use only. The free essay on this page was not written by our writers and should not be viewed as a sample of our writing service. We are neither affiliated with the author of this essay nor responsible for its content. If you need high quality‚ fresh and competent research / writing done on the subject of Literature‚ use the professional writing service
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default directory when you open a new command window? What is your working directory? A: /home/guest/ /home/guest/fangyuliu Exercise 3 LAB REPORT Q:Is the Internet service daemon‚ xinetd‚ started in your system? Is inetd started in your system? Why? A:xinetd(extended Internet daemon) is started in my system rather than inetd (internet service daemon). Both of them are super-server daemon started only under request. Because xinetd is more secure than inetd‚ more Unix- services now replace
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A Different Kind of Rain One scene in The Known World depicts an odd event. While many scenes show brutality‚ injustice‚ humility‚ and love‚ a small scene where one slave is good to his master carries a different message. This section of the novel explores a relationship of two characters that are arguably unimportant. I would not say that the novel needs these two characters to be a success. The slave or master alone does not play a major role in the plot‚ but together they display a profound
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