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- File_descriptor abstract "In computer programming, a file descriptor (FD) is an abstract indicator for accessing a file. The term is generally used in POSIX operating systems.In POSIX, a file descriptor is an integer, specifically of the C type int. There are three standard POSIX file descriptors, corresponding to the three standard streams, which presumably every process (save perhaps a daemon) should expect to have:Generally, a file descriptor is an index for an entry in a kernel-resident array data structure containing the details of open files. In POSIX this data structure is called a file descriptor table, and each process has its own file descriptor table. The process passes the file descriptor to the kernel through a system call, and the kernel will access the file on behalf of the process. The process itself cannot read or write the file descriptor table directly.On Linux, the set of file descriptors open in a process can be accessed under the path /proc/PID/fd/, where PID is the process identifier.In Unix-like systems, file descriptors can refer to any Unix file type named in a file system. As well as regular files, this includes directories, block and character devices (also called "special files"), Unix domain sockets, and named pipes. File descriptors can also refer to other objects that do not normally exist in the file system, such as anonymous pipes and network sockets.The FILE data structure in the C standard I/O library usually includes a low level file descriptor for the object in question on Unix-like systems. The overall data structure provides additional abstraction and is instead known as a file handle.".
- File_descriptor wikiPageID "608754".
- File_descriptor wikiPageRevisionID "602653560".
- File_descriptor hasPhotoCollection File_descriptor.
- File_descriptor subject Category:POSIX.
- File_descriptor subject Category:Unix_file_system_technology.
- File_descriptor comment "In computer programming, a file descriptor (FD) is an abstract indicator for accessing a file. The term is generally used in POSIX operating systems.In POSIX, a file descriptor is an integer, specifically of the C type int.".
- File_descriptor label "Descripteur de fichier".
- File_descriptor label "Descriptor de archivo".
- File_descriptor label "Descritor de arquivo".
- File_descriptor label "Descrittore di file".
- File_descriptor label "Deskryptor pliku".
- File_descriptor label "File descriptor".
- File_descriptor label "Файловый дескриптор".
- File_descriptor label "ファイル記述子".
- File_descriptor label "文件描述符".
- File_descriptor sameAs Souborový_deskriptor.
- File_descriptor sameAs Descriptor_de_archivo.
- File_descriptor sameAs Descripteur_de_fichier.
- File_descriptor sameAs Descrittore_di_file.
- File_descriptor sameAs ファイル記述子.
- File_descriptor sameAs 파일_서술자.
- File_descriptor sameAs Deskryptor_pliku.
- File_descriptor sameAs Descritor_de_arquivo.
- File_descriptor sameAs m.02w2k2.
- File_descriptor sameAs Q1060813.
- File_descriptor sameAs Q1060813.
- File_descriptor wasDerivedFrom File_descriptor?oldid=602653560.
- File_descriptor isPrimaryTopicOf File_descriptor.