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Lecture 20

COMP 1010 Lecture 20: Lecture 20

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University of Manitoba
Computer Science
COMP 1010
James E.Young

OS82 Computer Usage Unit 4 Organizing and Maintaining Your Work Helps to improve efficiency helpful on computers also File: is a named collection of information that is recorded on some kind of storage device Document: is a type of file that has been created by a particular software application and can be manipulated by that application o A file can be a document File Hierarchies and Paths File Name: given to a file in order be identifiable o Composed of file name, period then extension o Name is arbitrary, but extension determines what type of data is contained in the file still there even when you cant see it o Usually three letters: exe (program files), zip (compressed), doc (word document) xls (excel spreadsheet) Windows XP: extensions are hidden by default cause confusion o To see extensions: Open My Computer Under toolsFolder Options Click on View tab There, you can turn off Hide extensions for known file types o If no extension, icons can help to decipher type of document File names do not help with organization Can be organized into a hierarchy through use of folders o Folders may contain more folders and files etc. o They have names but do not have extensions in their names o Also called directories Root: starting point for this structure o Windows, every storage device has its own root, identified by a letter, followed by a colon o First hard drive is called C: but all other removable storage devices have unpredictable names, could change depending on computer May be limitations on where you can store documents security or prevention from damaging the documents o Most have a home location for personal use H: drive o Commonly called, My Documents on XP and older versions o Mac has home directory that contains personal files in directory a documents folder for documents Biggest fileorganizing mistake o Saving all files inside one folder without further organization o Better approach: think of it as filing cabinet Apply this method to flash drives also Path: can start at the root and be a definitive map known as an absolute path or it can just be a route from one place to another location relative path o Backslashes are used for windows, and forward slashes everywhere else
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