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DOS Tutorial

MS-DOS Operating System Most Personal Computers run under the MS-DOS Operating System. MS-DOS being the Microsoft Disk Operating System.

It is estimated that almost 10 million machines run under the MS-DOS Operating System and some 20,000 or more end-user applications have been published to run with it.

 

The Operating System is the program which provides organized services to the computer user and the application programs that they wish to use.
These services consist mainly of access to the hardware resources such as the disk drives, keyboard, etc.

 

List Files in a Subdirectory

List Files in a Subdirectory The CHANGE DIRECTORY, a.k.a. CD, command will let us list files in our subdirectory from our hard drive.   Directions: 1. Type: cd \info and press Enter. 2. Type: dir …

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Select the Directory List

To look for a specific filename extension, we can use the SELECTED DIRECTORY command.   Directions: 1. Type: dir \*.bat and press Enter. 2. Only the files with the .bat extensions are listed. 3. Press …

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List Subdirectories

List Subdirectories Directions: 1. Type: dir \*. and press Enter. 2. All the subdirectories are listed.   NOTE: The backslash character \ directs DOS to read from the root directory. The *. requests the listing …

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Delete a Single File

Delete a Single File   Periodically it is a good idea to delete files from the hard disk which are no longer needed or used. DOSmakes it easy to remove these files with the DELETE …

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Delete a Group of Files

Delete a Group of Files   By using the wildcard character * we can delete a group of files from our hard drive.   Directions: 1. Type: del quick.* and press Enter. 2. Type: dir …

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Remove a Subdirectory

We cannot be in the subdirectory that we wish to remove. We will need to return to the root directory (C:\> prompt).   Directions: 1. Type: cd.. and press Enter. 2. We should be back …

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attrib

Change or view the attributes of one or more files. It defaults to displaying the attributes of all files in the current directory.   Options: • To add an attribute attach a ‘+’ in front …

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chkdsk

Verifies a hard disk or a floppy disk for file system integrity.   Options: • /F : Fixes errors on the disk • /V : Displays the full path and name of every file on …

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