The processor (CPU) is essentially the brain of a computer system. The role of the CPU is mainly to process everything from basic instructions to complex function. The well known measure of the CPU is clock speed and it is measured in MHz or GHz. The different manufacturers of the CPU are Texas Instruments‚ Intel Corp‚ Centaur Technology etc.. Motherboard A motherboard (mobo) is basically the main circuit board of a computer system. All the different components such as CPU‚ memory‚ hard drives
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computer‚ the cost is ultimately minimized. Even for file storage‚ we can use a central file server to store all files instead of having them in each workstation. 9.3 Printer Sharing: Printers can be shared across the network. For example‚ a high speed high quality printer can be shared by the entire office‚ allowing us to reduce cost while increase quality of
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IntroductionIn order to utilize the most effective tools for breaking into their own site‚ IT administrators must fully review and evaluate the sites issues of vulnerability. This requires gathering as much information as possible about the site as if you where an intruder. For this to be successful‚ an IT administrator must now consider his or her site to be the target host. Here the administrators have at their disposal such services as finger‚ showmount and rpcinfo to initially aid in this effort
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This script is provided as a means to collect system and/or software configuration for investigations by EMC. To Install : Extract the tar file into a suitable directory using following command‚ command: tar -xvf emcgrab_<os>_<version>.tar Please ensure that your filesystem has at least 500M free of disk space for temporary files that may be generated during its processing. If running ECC 5.x the resulting tar file could be very large. Please NOTE: 1. The script will prompt
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for. 1 2 [4] (c) The operating system controlling the student’s home computer is a single-user‚ multitasking operating system. (i) Describe a single-user‚ multi-tasking operating system. (ii) Explain how the student can use this type of operating system. [4] © UCLES 2011 9691/11/O/N/11 3 2 (a) In the systems development life cycle‚ describe what is involved when designing a system. For Examiner’s Use [4] (b) When a new system has been developed it must be installed
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named file(s) c cal Display a calendar case Conditionally perform a command cat Concatenate and print (display) the content of files cd Change Directory cfdisk Partition table manipulator for Linux chgrp Change group ownership chmod Change access permissions chown Change file owner
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-runlevel 0- shuts down the system‚ runlevel 1- brings the system to single-user/resue mode‚ runlevel 2‚3‚4- brings the system to multiuser textual mode‚ runlevel 5- brings the system to multiuser graphical mode‚ runlevel 6- reboots the system. by default Fedora uses 5‚ Telinit utility allows a user working with root privileges to bring the system down‚ reboot‚ or change between runlevels. who –r displays current runlevel -any directories you do not create file systems for automatically become part
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LAB 10 CONFIGURING APPLICATIONS 1176655671195Take a screen shot of the Group Policy Management console‚ showing the GPO you created‚ by pressing Alt+Prt Scr‚ and then paste the resulting image into the Lab10_worksheet file in the page provided by pressing Ctrl+V. Will the Group Policy settings you configure in your new GPO have an immediate effect on your network? Why? If you would like for it to have an effect immediately‚ then you will have to logout and log in again. So the answer would
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UNIT 1 LINUX SYSTEM ARCHITECTURE Structure 1.0 1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10 1.11 1.12 1.13 Introduction Objectives Internal Structure of Linux System Architecture Overview of the Kernel System Supporting Multiple Developers System Data Structure Subsystem Architecture Linux File System More About Kernel Miscellaneous Concerns Let Us Sum Up Check Your Progress: The Key Suggested Reading Linux System Architecture 1.0 INTRODUCTION Architecture is the main blood line of any technology
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list all the commands you have ran. 4. Assume that the following files are in the working directory. Give commands for each of the following‚ using wildcards to express filenames with as few characters as possible. a. List all files that begin with section. $ ls section b. List the section1‚ section2‚ section3 files only. $ ls section(1-3) c. List intro file only. $ ls i d. List the section1‚ section3‚ ref1‚ and ref3 files. $ ls [l3] 8. Give an example of a command that uses grep
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