HELP University Faculty of Business‚ Economics and Accounting Department of Business Studies Diploma in Business Level 1 & Level 2 HELP Bachelor of Business (HONS) Year 1 HELP Bachelor of Econnomics (HONS) Year 1 HELP Bachelor of Management (HONS) Year 1 Semester 1‚ 2013 - Intake 67 21 January 2013 - 3 May 2013 TIME 8.00 DAY 9.00 10.00 8.30 9.30 11.00 10.30 ACC 103 - AL1 M O N D A Y ACC 103 - BL1 Mr Steven Toh KA-A1 Mr Steven Toh ECO101 - AL1
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Operating Systems 3 – Deadlocks Lab notes Course lectured by Prof. Gabriel Kuper Lab assist. Ilya Zaihrayeu http://www.dit.unitn.it/~ilya/os.htm Deadlock Prerequisites Deadlock can arise if four conditions hold simultaneously: Mutual exclusion: only one process at a time can use a resource. If another process requests that resource‚ the requesting process is delayed until the resource is released; Hold and wait: a process holding at least one resource is waiting to acquire additional resources
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tolerance‚ and automatic recovery must be integral to the system. Second‚ files are huge by traditional standards. Multi-GB files are common. As a result‚ design assumptions and parameters such as I/O operation and blocksizes have to be revisited. Third‚ most files are mutated by appending new data rather than overwriting existing data. Random writes within a file are practically non-existent.Given this access pattern on huge files‚ appending becomes the focus of performance optimization and atomicity
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File Management Requirements The following paper will discuss the Unix Operating System and how to implement a protection scheme that permits multiple users access to one file‚ with the exception of denying access to a particular group of users to the same file. Including the importance of protecting file sharing permissions to users. Perhaps a business has a system that will support 5‚000 users‚ however only 4‚990 users are granted permissions to access one particular file. In order to grant access
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UNIX offers a file protection system that is straightforward and simple to use. However‚ many people are not aware of the value of this powerful mechanism. A secure environment is achieved not only by the operating system‚ but also through vigilant user and administrative practices. There are many schemes and mechanisms used in the UNIX operating system‚ as well as some simple tricks that are available to give the kind of file protection administrators want. For the purpose of this paper‚ a company
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Unix File Access POS/355 UNIX® is provides security to directory and the file system. For security reason a file or directory has assigned permissions to use them and every user in the UNIX system is assigned set of permission while creating user account. Before going to discuss the file permission‚ let’s discuss the user account types in the UNIX. There are three types of user accounts on a UNIX system that are root account‚ system account and normal user account. Root account: It is a
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Pride and Prejudice Both Texts Letters to Alice Connections/Comments about texts Context (prompts‚ purpose‚ shapes‚ values) Personal context and social‚ political and historical context Austen is covert and implicit because she is female “if you turned out to be barren‚ that was a terrible disaster‚ not just personally but socially” “breaking through the thin walls between idea and experience” – reality poking into your life and preventing artists notions A teacher Cold war reference
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Types of file sharing Peer-to-peer file sharing Users can use software that connects in to a peer-to-peer network to search for shared files on the computers of other users (i.e. peers) connected to the network. Files of interest can then be downloaded directly from other users on the network. Typically‚ large files are broken down into smaller chunks‚ which may be obtained from multiple peers and then reassembled by the downloader. This is done while the peer is simultaneously uploading the chunks
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File-It Supplies Inc‚ Present Situation Patsy Akaka is the marketing manager of File-It Supplies which is a file folder manufacturer that has been in business for 28 years. Other primary lines they are file markers‚ labels and indexing systems. On the other hand 40% of FIS´s file folder business is in specialized lines including oversized blue-print and engineer drawings for several high tech industries. Even though the company has a unique knowledge in the field‚ Patsy is facing a complicated
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Differences between reamers and files Reamer 1234More flexible. Less n o. of flutes Used mainly in reaming action. File Less flexible. More n Less effective in filing action because less no. of flutes. 3) Spreader. o. of flutes Used mainly in filing action. Can be used in reaming action. It is a long‚ tapered and pointed end instrument‚ which is used to compress gutta percha into the apex and periphery of the prepared canal and also towards the irregularity of canals leaving a space for insertion
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