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Such recallings are incomplete without fake TUIs. TUI that are seemingly text, but in graphics mode. Norton Utilities were running in text mode with altered fonts and had nice UI elements. Acronis OS Selector 5 could run in multitude of different modes: ordinary text mode with pseudographics; Norton Utilities-alike text mode with altered fonts; VGA graphics mode; SVGA graphics mode. But whatever mode, it was drawing UI in a grid. Mouse cursor was the only thing not bound to grind, but when windows were dragged by mouse, they were jumping by discrete steps, staying grid aligned at all times. I was digging in. They are Watcom C++ binaries, and Watcom can remote debug them over COM port. No sources, of course, but I can trace CPU and watch memory. So far I know that it indeed has a concept of text buffer, and each cell is 4 bytes. These bytes encode background glyphs and colors. Text can be over window title, so window title skin is encoded in background glyph. Text can be over tab title. Text can be over button. And there are icons of operating systems in the list. And there are icons on toolbar buttons.

Acronis OS Selector 5 features not much UI. There is FDISK, advanced enough for its time. It can resize FAT partitions, and there is UI for adjusting size and other stuff. There is HTML-based help system with hyperlinks. And there is some editor for AUTOEXEC.BAT and CONFIG.SYS. Acronis OS Selector 5 is about switching OSes, and specific DOS or Windows 9x boot configurations are also "OSes", so editing of boot files is helpful. But apart from that there is almost nothing to do in this OS Selector.

I wish something more daily would be coded in such UI, but nope. And Acronis dropped that style. I don't know what happened with Selector 6 and 7, but it's like 8 is coming right after 5, and 8 UI is not grid-aligned anymore.



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