[From the mnemonic for the PDP-11 'SWAp Byte'
instruction, as immortalized in the 'dd(1)' option 'conv=swab'
(see dd)] 1. vt. To solve the NUXI problem by swapping
bytes in a file.
2. n. The program in V7 UNIX used to perform this action, or anything functionally equivalent to it.
See also big-endian, little-endian, middle-endian, bytesexual.