Question

Give difference between Internal and External commands.

Answer 1

Answer:

We are discussing two types of Commands. Internal Commands and External commands Internal/External both are MS- DOS command. Internal command is included in command.com but, External command is not include in command.com. Illustration shows that internal commands are the part of the command.com but, External commands are not because they are not commonly used and also have separate files.

Answer 2

Difference between 'Internal and External commands':

Internal command:

• An 'internal command in DOS systems' is any command that exists directly in the 'COMMAND.COM file'.
• These 'commands' are not in the form of any file; so neither 'they can be looked' nor 'can be changed or detected'. This contains the most common 'DOS' commands, like 'COPY, CD, CLS, and DIR', etc...  

External command:

• An 'external command' is an 'MS-DOS' command, which is not contained in 'command.com'.
• Commands that exist in other 'COM files', or in 'EXE or BAT files', are referred to as external commands.

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