Dir (command)
In computing, dir
(directory) is a command used for file and directory listing, specifically in the command line interface (CLI) of these operating systems: RT-11, CP/M, VMS, DOS, OS/2, Singularity, and Microsoft Windows. It is analogous to the Unix ls
command.
Because it is the primary means of displaying the files and directories on disk or other storage medium within a command window, the dir command is one of the most basic commands employed by users of the command line interface to MS-DOS and subsequent versions of Microsoft Windows.[1]
The dir
command has existed as a DOS command since the initial release of MS-DOS. It is built into the DOS command shell, and is not provided as a separate standalone program.
In DOS and Microsoft Windows, dir checks for switches in the %dircmd% environment variable.
In Windows PowerShell, dir is a predefined command alias for the Get-ChildItem
Cmdlet which basically serves the same purpose.
Sample usage
The following example demonstrates the output of the dir command on Windows 7, given no- and one argument(s):
C:\Users\Public\Pictures\Sample Pictures>dir Volume in drive C is System Volume Serial Number is C8D0-76E2 Directory of C:\Users\Public\Pictures\Sample Pictures 14-07-2009 06:41 <DIR> . 14-07-2009 06:41 <DIR> .. 14-07-2009 06:52 879,394 Chrysanthemum.jpg 14-07-2009 06:52 845,941 Desert.jpg 14-07-2009 06:52 595,284 Hydrangeas.jpg 14-07-2009 06:52 775,702 Jellyfish.jpg 14-07-2009 06:52 780,831 Koala.jpg 14-07-2009 06:52 561,276 Lighthouse.jpg 14-07-2009 06:52 777,835 Penguins.jpg 14-07-2009 06:52 620,888 Tulips.jpg 8 File(s) 5,837,151 bytes 2 Dir(s) 57,925,980,160 bytes free C:\Users\Public\Pictures\Sample Pictures>dir /w Volume in drive C is System Volume Serial Number is C8D0-76E2 Directory of C:\Users\Public\Pictures\Sample Pictures [.] [..] Chrysanthemum.jpg Desert.jpg Hydrangeas.jpg Jellyfish.jpg Koala.jpg Lighthouse.jpg Penguins.jpg Tulips.jpg 8 File(s) 5,837,151 bytes 2 Dir(s) 57,925,992,448 bytes free C:\Users\Public\Pictures\Sample Pictures>
See also
- Directory (OpenVMS command)
- List of Unix programs
- List of DOS commands
References
- ↑ Baril, Suzanne (2000-01-10). "Learning MS-DOS Basics - A Tutorial". Archived from the original on 2007-07-09. Retrieved 2007-08-08.
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