<b_jonas> `` set -e; f=/hackenv/bin/bfbotquine; d=/hackenv/bin/STOP; >$d echo $\'#!/bin/sh\\nrm -fv \'"$f"; >$f echo $\'#!/bin/sh\\nsleep 50; echo ":"="hackesoquine"; sleep 20\'; chmod -c a+x $d $f

A palindrome is a word that remains the same if you take it to the mirror dimension, and then take each individual letter back to the normal dimension separately.