I have many uses for a realiable task switcher, with even modest
capabilities. A major example is the ability to swap an internet
application such as CUTCP telnet to disk or XMS memory so I can
go to dos and have enough conventional memory to, for instance,
read a file or grab some text.
The most simple one I know is Shroom, which will swap a current
application to disk, if that application already contains a
key or menu that shells to dos. However, shroom itself can not
be loaded high, or it does not work. It seems to have trouble
with certain applications (e.g., PC Pine). And it is formally
shareware but I dont know if the author is findable. (Its
files list only a regular mail address from years ago. Anyone
know where Davis Augustine is now?)
Than there is fastflip which provides much more functionality,
and can be loaded high, and does not require each application to
already have a shell out method. But I have been told it is
unstable.
I know DR. DOS included a task switcher, but I do not know if
it can be used as a standalone program, or if it is integrated and
inseparable from Dr. DOS. When I recently looked at Lineo, it appeared
they only sell Dr. DOS 7.03 as a commercial application for things
like embedded devices. It was not clear of single users are even
welcome anymore.
Any opinions out there concerning the previous or other Dos task
switchers that are reliable? Off hand one would think the problem
is not hard: save the current vectors, etc. put the current application
on disk, XMS, etc. and load the next one. Apparently it is not so
easy to do this.
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