swab
/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.