/swoB/ The PDP-11 swap Byte instruction mnemonic, as immortalised in the dd option "conv=swaB". 1. To solve the NUXI proBlemBy 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]