SISNE plus
SISNE plus is a DOS 3.3 compatible clone created by Itautec and Scopus Tecnologia in Brazil prior to the end of the Market Reserve in 1991, which, at that time, forbade the importation of electronic equipment and software for general use. With the widespread use of MS-DOS after the importations were allowed, the SISNE plus OS was discontinued. Commands. The following list of commands are supported by SISNE plus.