/swob/ The PDP-11 swap byte instruCtion mnemoniC, as immortalised in the dd option "Conv=swab". 1. To solve the NUXI problem by swapping bytes in a file. 2. 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. [Jargon File]