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The C programming language provides many standard library functions for file input and output.These functions make up the bulk of the C standard library header <stdio.h>. [1] The functionality descends from a "portable I/O package" written by Mike Lesk at Bell Labs in the early 1970s, [2] and officially became part of the Unix operating system in Version 7.
The FILE data structure in the C standard I/O library is a file handle, abstracting from the underlying file representation (on Unix these are file descriptors). Like other desktop environments, the Windows API heavily uses handles to represent objects in the system and to provide a communication pathway between the operating system and user space.
The most basic operations that programs can perform on a file are: Create a new file; Change the access permissions and attributes of a file; Open a file, which makes the file contents available to the program; Read data from a file; Write data to a file; Delete a file; Close a file, terminating the association between it and the program
A subtlety in handling existing files is whether such files are overwritten on attempting to copy, or they are renamed (or the target temporarily named) and only removed once the replacement file has been verified. Verification: actions taken to ensure integrity of resulting compared to original files
A file manager or file browser is a computer program that provides a user interface to manage files and folders. [1] The most common operations performed on files or groups of files include creating, opening (e.g. viewing, playing, editing or printing), renaming, copying, moving, deleting and searching for files, as well as modifying file attributes, properties and file permissions.
Software consists of computer programs that instruct the execution of a computer. [1] Software also includes design documents and specifications. The history of software is closely tied to the development of digital computers in the mid-20th century. Early programs were written in the machine language specific to the hardware.
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File Allocation Table (FAT) is a file system developed for personal computers and was the default filesystem for the MS-DOS and Windows 9x operating systems. [citation needed] Originally developed in 1977 for use on floppy disks, it was adapted for use on hard disks and other devices.