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COMMANDSUMMARY
ISHOST and ISTURBO Commands
Format:
ISHOST
IF ERRORLEVEL 1 ....
Usage:
In AUTOEXEC.BAT or any other Batch File.
Both the host and the PCturbo load the
AUTOEXEC.BAT file once upon starting up.
However, not all commands in the AUTOEXEC.BAT
need to be executed in both modes. For
example, if the AUTOEXEC.BAT contains a
command line that selects a printer
redirection using the MODE command, it should
only be invoked by the host. Invoking it
again in the Turbo Mode may cancel out the
redirection. There are several other
situations where you may need to precede a
command line in the AUTOEXEC with either the
ISHOST or ISTURBO command. These commands
allow you to determine which mode the computer
is in and then proceed with the next step or
skip to the one after it.
The easiest way to accomplish this separation
of host mode and Turbo mode is to use the
HOSTEXEC.BAT and TURBEXEC.BAT files. However,
there are some advanced applications where it
might
be
preferable to use the AUTOEXEC.BAT
exclusively.
Both the IS HOST and ISTURBO commands take no
arguments. Their output is in the form of the
DOS Batch "errorlevel" value. The errorlevel
will
be
set at I if the last command returned
B-35
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