What is the difference between internal and external command?


In MS-DOS the two ways that commands are executed are referred to as internal command and external command. The difference between the two terms is that an internal command is embedded into the command.com file, while an external command requires a separate file to be used. Internal commands can be used without a file or disk. Some common internal commands include copy, date, delete, and exit. Some common external commands include format, backup, find, more, recover, restore, and print.
Q&A Related to "What is the difference between internal and..."
An internal command is one that is built into the shell or command interpreter, rather than executed as a separate binary.
An extern is usually a student in the beginning or middle stages of his college or training career. An extern generally does not yet have a specific idea of which career path he wants
The terms "internal and external" bring the Disk Operating System (DOS) system to mind! While the terms are still used these days, I'll refer to the DOS O/S example to help
Internal commands are contained within your command interpreter. These include commands such as CD, DIR, ECHO, FOR, PROMPT, REN (RENAME), and SET (and others) External commands can
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