Английская Википедия:Dir (command)
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In computing, dir (directory) is a command in various computer operating systems used for computer file and directory listing.[1] It is one of the basic commands to help navigate the file system. The command is usually implemented as an internal command in the command-line interpreter (shell). On some systems, a more graphical representation of the directory structure can be displayed using the tree command.
Implementations
The command is available in the command-line interface (CLI) of the operating systems Digital Research CP/M,[2] MP/M,[3] Intel ISIS-II,[4] iRMX 86,[5] Cromemco CDOS,[6] MetaComCo TRIPOS,[7] DOS, IBM/Toshiba 4690 OS,[8] IBM OS/2,[9] Microsoft Windows,[10] Singularity, Datalight ROM-DOS,[11] ReactOS,[12] GNU,[13] AROS[14] and in the DCL command-line interface used on DEC VMS, RT-11 and RSX-11. It is also supplied with OS/8 as a CUSP (Commonly-Used System Program).
The dir command is supported by Tim Paterson's SCP 86-DOS.[15] On MS-DOS, the command is available in versions 1 and later.[16] It is also available in the open source MS-DOS emulator DOSBox. MS-DOS prompts "Abort, Retry, Fail?" after being commanded to list a directory with no diskette in the drive.
The numerical computing environments MATLAB and GNU Octave include a dir
function with similar functionality.[17][18]
Examples
DOS, Windows, ReactOS
List all files and directories in the current working directory. Шаблон:Sxhl
List any text files and batch files (filename extension ".txt" or ".bat"). Шаблон:Sxhl
Recursively list all files and directories in the specified directory and any subdirectories, in wide format, pausing after each screen of output. The directory name is enclosed in double-quotes, to prevent it from being interpreted is as two separate command-line options because it contains a whitespace character. Шаблон:Sxhl
List any NTFS junction points: Шаблон:Pre
Unices
dir is not a Unix command; Unix has the analogous ls command instead. The GNU operating system, however, has a dir command that "is equivalent to ls -C -b; that is, by default files are listed in columns, sorted vertically, and special characters are represented by backslash escape sequences".[19] Actually, for compatibility reasons, ls produces device-dependent output. The dir instruction, unlike ls -Cb, produces device-independent output.
See also
- Directory (OpenVMS command)
- List of DOS commands
- ls (corresponding command for *nix systems)
References
Further reading
External links
- dir | Microsoft Docs
- Open source DIR implementation that comes with MS-DOS v2.0
- Dir command syntax and examples
- ↑ Шаблон:Cite book
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite book
- ↑ ISIS II Users Guide
- ↑ iRMX™86 INTRODUCTION AND OPERATOR'S REFERENCE MANUAL For Release 6
- ↑ CDOS USER'S MANUAL
- ↑ Шаблон:Cite web
- ↑ [1]Шаблон:Dead link
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite book (59 pages)
- ↑ Шаблон:Cite book
- ↑ Шаблон:Cite web
- ↑ Шаблон:Cite web
- ↑ dir invocation (GNU coreutils) at www.gnu.org
- Английская Википедия
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- Internal DOS commands
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- OS/2 commands
- ReactOS commands
- Windows commands
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