Securing the system against possible unauthorized access to data or any other entity. Protecting the parts of the system against damage. 7. Booting the System and getting it ready to work. 8. Data communications – Providing interface to connect to other computers or allowing others to connect Definition: An operating system is a collection of software that coordinates the working of the different components of the system and gets the user’s job done. The operating system provides the user
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Department needs to determine what file systems are mounted on his Linux computer because he is not sure that the DVD/CD-ROM drive is properly mounted. Explain the steps he should use to determine the mounted file systems‚ and also note which file system should be mounted for the DVD/CD-ROM. To determine what file systems are mounted on his Linux computer‚ first he must access the command prompt or open a terminal window. Once there‚ type “mount” to see which file systems are actually mounted. Here he
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____________ FINAL Which of the following Linux utilities lists the names of files in a single directory? ls Which component of X Window allows customization of the user interface? Window manager Which of the following control structures is a multiple-branch decision mechanism capable of more than three decisions? The Case structure What is the meaning of the DocumentRoot directive in the Apache configuration file? It is the directive that is used to change the location of the document root
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DISK OPERATING SYSTEM INTRODUCTION: • MS-DOS (Microsoft Disk Operating System) is a single-user‚ single-tasking computer operating system that uses a command line interface (CLI). • It also works as an interpreter between user and computer. • The term DOS can refer to any operating system‚ but it is most often used as shorthand for MS-DOS (Microsoft disk operating system). Originally developed by Microsoft for IBM‚ MS-DOS was the standard operating system for IBM-compatible
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custom backup job that saves selected files and folders to a partition on the computer’s hard disk. | Completion time | 20 minutes | Question 1 | Why doesn’t the system drive (C:) appear on the Select where you want to save your backup page? You cannot backup C: drive to C: Drive | Question 2 | Why does a warning appear when you select the ALICE1 (X:) drive‚ informing you that the X: drive is on the same physical disk as your system drive? Because X: drive is external
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determine whether it is ready to be filed is known as inspecting. A business record must not be stored until someone with authority marks it to be released for filing. All requires actions must be taken or noted in a reminder system prior to storage. Notation in a reminder system ensures that the record will be brought to the attention of the proper person at a future date. Sorting records before their contents are noted and before appropriate action has been taken can sometimes cause embarrassment
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away when you turn off the system Be able to choose a system for to satisfy your needs (space‚ memory‚� growth needs‚ system response time needs) Be able to understand a computer specification (memory‚ hard disk‚ processor‚ ports‚ operating system‚ application systems) Sizes - Kilo‚ Mega‚ Giga‚ Tera Know whether something is hardware or software or input or output Know whether software is application or operating system Know what a DVD drive
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characteristic listed below generally belongs to a file-based system or to a database system. * High cost of development - Database * Generally designed to be used with a single system or application - File-based * Greater data privacy concerns - Database * Controlled redundancy - Database * Suboptimal performance for shared use by multiple systems - File-based * Tends to be slower - Database
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Operating System Administration 2 CIT 0563 Problem Base Learning (Set 1) ) 1. Perform a SLES 10 installation • Boot from installation media Choose cd from folder then click “Next” Select the system language ( English us ) • Select the installation mode Select “New Installation” then “Next” • Set the clock and time zone Choose the region and time zone. • Understand and change the installation settings Choose “ Create Custom Partition Setup”
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Unit 2 EXT2 The EXT2 file system is a replacement of the Extended File System. The file system was created by Rémy Card in 1993. Files and directories are stored within Inodes. The date ranges for timestamps can only go as high as January 18‚ 2038. Once this date is reached‚ the EXT2 file system will no longer store proper timestamps The file and space limitations are as follows: Block Size 1KB 2KB 4KB 8KB File size 16 GB 256 Gigabytes 2 Terabytes 2 Terabytes File system 4 Terabytes 8 Terabytes
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