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FILE SYSTEM AND PRINT MANAGEMENT FEATURES
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One of the greatest and most used features of an operating system is the le system At its most basic level, the le system allows you to store and read data in a persistent manner In this chapter, you look at the facilities for server-based le storage offered by Windows Server 2008 Serverbased le storage is vital in any organization because client-side storage cannot be relied upon from a resiliency perspective, and client-side data is not available to the organization You start off with a basic view of the le systems and their features you use in Windows Server 2008, including basic management of le systems, volume creation, maintenance, and more advanced concepts After you have data, you sometimes need to print it So, the second half of the chapter deals with print server capabilities with Windows Server 2008, including managing the properties of an individual print server, print queues, and multiple print servers from a central management location
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Windows Server offers a number of le systems that can be used on media connected to the server Although you use only one of the le systems for xed media, you look at all the options
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File Allocation Table (FAT)
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File Allocation Table (FAT) is a remnant from the MS-DOS days and was limited to 83 lename restrictions until Long File Name (LFN) support was added Although FAT has been largely replaced by more sophisticated le systems, many media, such as memory cards, still use FAT because of its support across nearly all operating systems 225
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LFNs worked behind the scenes The LFN for a le was stored using a series of linked directory entries An LFN uses one directory entry for its alias (an automatically generated 83 name) and a hidden secondary directory entry for every 13 characters in its name If you had a 200-character lename, it would use 17 entries The alias is generated using the rst six characters of the LFN, then a ~, and then a number for the rst four versions of a les with the same rst six characters For example, for the le john savills letxt, the names generated would be johnsa~1txt, johnsa~2txt, and so on After the rst four versions of a le, only the rst two characters of the lename are used, and the last six are generated, as in jo0E38~1txt FAT is a basic le system It has no capability to set security on les or audit access Files on FAT volumes become fragmented because no map is kept of free space on the volume, and FAT has no built-in corruption recovery
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Introduced with Windows 95 OSR2, FAT32 is designed to address some of the size limitations of FAT as hard drives increase in size As with FAT, the same 83 lenames exist, although LFN s 255-character lenames are available
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New Technology File System (NTFS) was introduced with the rst version of Windows NT (31) and was a completely rewritten le system instead of an upgrade for FAT NTFS introduced metadata for objects on the le system, allowing many more le system capabilities, such as security con guration and auditing information A subset of the metadata for each le is stored in the master le table (MTF), which is used to quickly see free space on a volume, determine where to place new les, and cut down on fragmentation Fragmentation occurs when a le is written to disk but not to a contiguous block of space The le is scattered over separate areas of the disk Why is this a problem This fragmentation means that when the data is read, instead of one disk seek (a slow operation), many disk seeks are needed to read the data Numerous versions of NTFS exist Windows XP, 2003, Vista, and Windows Server 2008 all run version 31 The version of an NTFS volume (seen in the third line of the following output) can be checked with the fsutil command:
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