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Programs and features utility oWhen you add a new program, wizard runs. If it doesn’t go to the programs and features utility found in the programs folder in the control panel oTo delete program use the uninstall option, if not you might miss a lot of other files File compression utilities: program that takes out redundancies in a file to reduce the file size oWindows built-in compression (zip)oMost compression programs look for repeated patterns of letters and replace them with a shorter placeholder oPlaceholders are cataloged and stored temp. in a file called the dictionary oCan reduce by 50% + depending on the file – PDF already compressed, some graphics and audio formats have been reduced b permanently discarding data oDecompress the file to restore it to its original state System maintenance utilities
oDisk cleanup: windows utility that cleans, removes unnecessary files from your hard drive (accumulated files in bin, temporary files, temporary internet file – you check off which type of files you would like to delete oDisk defragmenter regroups related pieces of files on the hard drive, allowing the OS to work more efficiently – Macs don’t have this option, but you can use iDefrag which is an external program oError-checking: windows utility that checks for lost files and fragments as well as physical errors on your hard drive (files are lost when you save, resave, move, delete, and copy files) – can recover data but usually deletes the files that are unnecessarily taking up space oSometimes system gets confused leaving references on the file allocation table to files that no longer exist or have been moved oPhysical errors: mechanism that reads the hard drives data can no longer determine whether the area holds a 1 or 0 (called bad sectors) oUse task manager utility if a program has stopped working to check the program or to exit it System restore and backup utilities oSystem restore: utility that lets you roll your system settings back to a specific date when everything was working properly (latest versions of windows)oSystem restore point: snapshot of your entire system’s setting (made every week), you can also create it manually oEvery time you start your comp. or install a new application or driver, windows creates a system restore point – good idea to create before making changes to your computer oWindows backup and restore utility: create a duplicate copy of all the data on your hard drive and copy it to another storage device – Mac OS X Snow leopard (time machine automatically backs up your files, time capsules) The task scheduler utility oImportant to run some of these utilities on a routine basis – many ppl forgetoWindows task scheduler utility: schedules task to run automatically at pre-determined times with no additional action necessary on your part Accessibility utilities: windows includes an Ease of Access center (centralized location for assistive technology and tools to adjust accessibility settings) o