The seven standard Unix file types are regular, directory, symbolic link, FIFO special, block special, character special, and socket as defined by POSIX...

The file command is a standard program of Unix and Unix-like operating systems for recognizing the type of data contained in a computer file. The original...

OSTypes Uniform type identifier Unix file types Windows file types For a list of filename extensions, see list of file formats list of filename extensions...

command to list computer files and directories in Unix and Unix-like operating systems. It is specified by POSIX and the Single UNIX Specification. It is...

In Unix and operating systems inspired by it, the file system is considered a central component of the operating system. It was also one of the first...

In Unix-like operating systems, a device file, device node, or special file is an interface to a device driver that appears in a file system as if it were...

In Unix and Unix-like computer operating systems, a file descriptor (FD, less frequently fildes) is a process-unique identifier (handle) for a file or...

various Unix and Unix-like operating systems for copying files and directories. The command has three principal modes of operation, expressed by the types of...

Unix operating systems. It has come to be widely used in other computer operating systems, file systems, programming languages, and databases. Unix time...

permission scheme similar to that of Unix. There are four categories (system, owner, group, and world) and four types of access permissions (Read, Write...

nm (name mangling) is a Unix command used to dump the symbol table and their attributes from a binary executable file (including libraries, compiled object...

interrupted transfers, directory listings, and remote file removal. There is also support for all UNIX file types, including symbolic links. SFTP attempts to be...

OS/macOS and Unix filesystems, so that applications can access files on local file systems of those types without having to know what type of file system they...

In computing, tty is a command in Unix and Unix-like operating systems to print the file name of the terminal connected to standard input. tty stands for...

standard Unix utility that reads files sequentially, writing them to standard output. The name is derived from its function to (con)catenate files (from...

(abbreviation for disk free) is a standard Unix command used to display the amount of available disk space for file systems on which the invoking user has...

The ln command is a standard Unix command utility used to create a hard link or a symbolic link (symlink) to an existing file or directory. The use of a...

"Everything is a file" is an idea that Unix, and its derivatives, handle input/output to and from resources such as documents, hard-drives, modems, keyboards...

AT&T Unix version 1, along with the chmod system call. As systems grew in number and types of users, access-control lists were added to many file systems...

basic command on Unix and Unix-like operating systems used to remove objects such as computer files, directories and symbolic links from file systems and also...

utility for Unix, Plan 9, Inferno, and Unix-like operating systems and beyond, the primary purpose of which is to convert and copy files. On Unix, device...

computing, a Unix domain socket is a Berkeley socket that allows data to be exchanged between two processes executing on the same Unix or Unix-like host...

usage) is a standard Unix program used to estimate file space usage—space used under a particular directory or files on a file system. A Windows commandline...

a terminal pager program on Unix, Windows, and Unix-like systems used to view (but not change) the contents of a text file one screen at a time. It is...

Unix file types "mkfifo, mkfifoat - make a FIFO special file". IEEE Std 1003.1-2017. The Open Group. "mknod, mknodat - make directory, special file,...

tests whether the file name matches the shell-glob pattern given. -type type: tests whether the file is a given type. Unix file types accepted include:...

patch is a Unix program that updates text files according to instructions contained in a separate file, called a patch file. The patch file (also called...

after the last line in a text file. On modern operating systems such as DOS, Microsoft Windows and Unix-like systems, text files do not contain any special...

interpreter to use to execute the file. The shebang must be the first line of the file, and start with "#!". In Unix-like operating systems, the characters...

mv is a Unix command that moves one or more files or directories from one place to another. If both filenames are on the same filesystem, this results...