Quote: the 8 1/2 windowing system treats all resources as multiplexed files; e.g., /dev/bitblt; X window functionality in 10,000 lines of code

Quotation Skeleton

The Plan 9 window system, 8 1/2, is … local and remote client programs by offering a … more unusual ones that provide access to the … [/dev/mouse] and the raw screen [/dev/screen and /dev/window]. Bitmap graphics operations are provided … service that 8 1/2 offers its clients is … a multiplexor. This architecture has some rewarding symmetries … [9436 lines of source]; indeed 8 1/2 is considerably smaller than most of its … [p. 257] The small size of 8 1/2 does … lack of support for color terminals.   Google-1   Google-2

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