It is also possible to view folders in tree view.
Also note the presence of the MS-DOS Executive. Normally this is all to be had!

Not sure how this is supposed to work, but it appears as though PubTech can use multiple desktops.

Running a bunch of included applications. An icon program, a text editor, and a slide puzzle.

The "zoom" feature is weird but seemingly vaguely useful if you have a large number of files in the folder.

This is how you "assign" an application a spot on the applications menu. It doesn't seem to be able to automatically detect the file type, so that must be specified as well.