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Unix File System The Unix File System has the job of maintain all the data which is stored in the computer The data which is maintained includes programs documents databases and textfiles A file in Unix basically refers to the source of input or target of output not just the place where the data is saved The file itself can be read or be written on to The Unix File System consists of three types of Unix files text and binary files directories and subdirectories and special more specific directories The three main types of Unix Files are ordinary files directories and special files The ordinary file is just something which contains data which can be stored into the computer or something that can be written on These are the more common files in which the user works with on a daily basis The second file is a directory The directory hold information that is used to organized and helps you access other files The directory is stored on a disk and you dont create the directory yourself it is made for you and Unix does all the work The last type of file is a special file or device file This is a internal representation of a physical device This file helps you send data using things like the keyboard the screen the printer or the disk drive Ordinary files are divided into two different categories text files or binary files Text files are the ones that contain letters in which you can read Text files hold documents memos shell scripts and notes Binary files on the other hand are just number primarily the number 1 or 0 These files contain non-textual data like pictures Binary files start to make sense when they are processed by a program The distinction between the text file
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