Example: $ echo "ehll,ow rodl" | dd conv=swab # Should give: hello, world A bit like rot13, but with 2 as the length :) https://en.m.wikipedia.org/wiki/ROT

Example: $ echo "ehll,ow rodl" | dd conv=swab # Should give: hello, world A bit like rot13, but with 2 as the length :) https://en.m.wikipedia.org/wiki/ROT13 https://en.m.wikipedia.org/wiki/ROT13