computer operating systems, a file descriptor (FD, less frequently fildes) is a process-unique identifier (handle) for a file or other input/output resource...

Media Descriptor File (MDF) is a proprietary disc image file format developed for Alcohol 120%, an optical disc authoring program. Daemon Tools, CDemu...

The Binary File Descriptor library (BFD) is the GNU Project's main mechanism for the portable manipulation of object files in a variety of formats. As...

number of file types. When a file is opened, a file descriptor is created, using the file path as an addressing system. The file descriptor is then a...

The first 16 sectors of the file system are empty and reserved for other uses. The rest begins with a volume descriptor set (a header block which describes...

communication path. The Berkeley sockets API represents it as a file descriptor (file handle) in the Unix philosophy that provides a common interface...

File descriptor, an abstract key for accessing a file In chemistry: Molecular descriptor, which helps characterize a chemical compound Descriptor (chemistry)...

an operating system can reference through a file descriptor. Once present, this correlation between the file and the memory space permits applications to...

functions that establish the link between FILE objects and file descriptors, and a group of functions for creating FILE objects that refer to in-memory buffers...

traditional implementations, file descriptors are indices into a (per-process) file descriptor table, thence a (system-wide) file table. While a pointer contains...

counter-intuitive. All fcntl locks associated with a file for a given process are removed when any file descriptor for that file is closed by that process, even if a...

given in number of bytes. write thus takes three arguments: The file code (file descriptor or fd). The pointer to a buffer where the data is stored (buf)...

the process's standard streams. /dev/fd/n – accesses the process's file descriptor n. Additionally, BSD-specific pseudo-devices with an ioctl interface...

The GNU Project's Binary File Descriptor library (BFD library) provides a common API for the manipulation of object files in a variety of formats. Many...

The file descriptor for standard output is 1 (one); the POSIX <unistd.h> definition is STDOUT_FILENO; the corresponding C <stdio.h> variable is FILE* stdout;...

ZIP is an archive file format that supports lossless data compression. A ZIP file may contain one or more files or directories that may have been compressed...

achieved using file I/O, with the target identified by a file descriptor. The select and poll system calls allow a set of file descriptors to be monitored...

of a file descriptor in the process's file descriptor table. This file descriptor is a capability. Its existence in the process's file descriptor table...

regular-file open() system call, the socket() system call returns a file descriptor. The return value's suffix _fd stands for file descriptor. After instantiating...

entries and per-process file descriptors. It provides file access, directory operations, security and protection. The virtual file system, an optional layer...

needs to access data from a file stored in a file system uses the read system call. The file is identified by a file descriptor that is normally obtained...

uses the select system call to sleep until a condition occurs on a file descriptor (e.g., when data is available for reading), a timeout occurs, or a...

the C and C++ programming languages, unistd.h is the name of the header file that provides access to the POSIX operating system API. It is defined by...

Versions of DOS before 3.2 totally or partially relied on the media descriptor byte in the BPB or the FAT ID byte in cluster 0 of the first FAT in order...

system call used to close a file descriptor by the kernel. For most file systems, a program terminates access to a file in a filesystem using the close...

an environment FCNTL FSTAT Stat a file using a file descriptor FSTATFS Stat a file system using a file descriptor IOCTL LINK First half of link() operation...

"duplicate") and dup2 system calls create a copy of a given file descriptor. This new descriptor actually does not behave like a copy, but like an alias of...

commonly referred to as a socket descriptor. In Unix-like operating systems, this descriptor is a type of file descriptor. It is stored by the application...

version 2.5.45 of the Linux kernel. Its function is to monitor multiple file descriptors to see whether I/O is possible on any of them. It is meant to replace...

administrators and programmers can read core dump files using the GNU Binutils Binary File Descriptor library (BFD), and the GNU Debugger (gdb) and objdump...