Tandy 1000 MS-DOS Reference Manual page 66

3.2 '
Chapter
6 /
Command Reference
COMMAND
External
COMMAND
[pathname] [device:] [IF] [IE: size]
[Ie
string]
Starts the command processor.
Notes and Suggestions
• This command starts a new command processor (the MS-DOS
program that contains all internal commands),
• The command processor is loaded into memory in two parts:
the transient part and the resident part. Some application pro-
grams write over the transient part of COMMAND.COM
when they run. When this happens, the resident part of the
command processor looks for the COMMAND. COM file on
disk so it can reload the transient part.
Parameters
pathname tells the command processor where to look for the
COMMAND.COM file if it needs to reload the transient part into
memory.
device:
lets you specify a different device (such as aux) for input
and output. See the CTTY command in this chapter for more
information.
IP tells COMMAND.COM not to exit to a higher level.
IE:size
specifies the environment size, where size is the size in
bytes. The size may range between 128 and 32768 bytes. The
default value is 128 bytes.
If size is less than 128 bytes, MS-DOS defaults to 128 bytes and
gives the message:
Invalid environment size specified
If size is greater than 32768 bytes, MS-DOS gives the same
message, but defaults to 32768 bytes.
IC
string tells COMMAND.COM to execute the command or
commands specified by string and return. IC can only be the last
parameter.
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