blit: /blit/ vt. 1. [common] To copy a large array of bits from
one part of a computer's memory to another part, particularly when
the memory is being used to determine what is shown on a display
screen. "The storage allocator picks through the table and copies
the good parts up into high memory, and then blits it all back down
again." See bitblt, BLT, dd, cat, blast, snarf. More
generally, to perform some operation (such as toggling) on a large
array of bits while moving them. 2. [historical, rare] Sometimes
all-capitalized as `BLIT': an early experimental bit-mapped terminal
designed by Rob Pike at Bell Labs, later commercialized as the AT&T
5620. (The folk etymology from `Bell Labs Intelligent Terminal' is
incorrect. Its creators liked to claim that "Blit" stood for the
Bacon, Lettuce, and Interactive Tomato.)
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