SYSBOOT

Purpose:   Loads another DOS-compatible system.

Syntax:    SYSBOOT = <bootimagefile> [bootdrive[:]]

Parameters:

bootimagefile - file with the specified system boot sector image,
bootdrive     - disk to be regarded as the initial for the
                specified system.

Note:
     A file containing the boot sector image of the system used prior to the
PTS-DOS may me created by running the SYS external DOS command with the /U
key.

     If a file containing the boot sector image has incorrect data or does
not correspond to the initial start-up disk, the system may "hang".