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Typing A Command in DOS

Typing a Command
Here we explains how to type a command at the command prompt and demonstrates the “Bad command or file name” message.
 
• To type a command at the command prompt
1. Type the following at the command prompt (we can type the command in either uppercase or lowercase letters):
nul
 
If we make a typing mistake, press the BACKSPACE key to erase the mistake, and then try again.
 
2. Press ENTER
We must press ENTER after every command you type.
 
The following message appears:
Bad command or file name
 
The “Bad command or file name” message appears when you type something that MS-DOS does not recognize. Because nul is not a valid MS-DOS command, MS-DOS displays the “Bad command or file name” message.
 
3. Now, type the following command at the command prompt:
ver
 
The following message appears on our screen:
MS-DOS version 6.22
The ver command displays the version number of MS-DOS.
 
Continue to the next section, where we will use the other command to view or manipulate the things.
For animated presentation, click on the following links:(With Voice)

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