A UNIX desktop with several windows styled in the Nextstep look. Two active windows are IE4 and Outlook Express for Solaris.
https://mastodon.infra.de/system/media_attachments/files/111/235/450/245/488/573/original/e1398f66c6415925.png
So since someone mentioned this abomination further up in the thread: Here's a screenshot of Microsoft Internet Explorer 4 and the accompanying Outlook Express running on Solaris 2.5.1, with the desktop provided by Solaris Openstep instead of OpenWindows.
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