The description below is from the book DOS the
Easy Way by Everett Murdock Ph.D.
for information about downloading the book.
Type: Internal (2.0 and later)
Purpose: Used in the CONFIG.SYS file to specify the command
that DOS should use.
In most cases DOS will use the command interpreter COMMAND.COM. If you
using another command interpreter, or if DOS is not in the root
can use the SHELL command to tell DOS the name and location of the other
For more information about the SHELL command, see Chapter 6, Tips for Advanced Users, in the downloadable book DOS the Easy Way.
parameters - Any parameters required by the specified command
To use a command interpreter called NDOS.COM, located in the ALTDOS
enter the following line in your CONFIG.SYS file: