Repeatedly show random Manpages (forever!)

random_manpages.sh

#!/usr/bin/sh
# A Random Manpage shows, you read it, then press "q" 
# ... and then you get the next random manpage
# Exit using Ctrl+Z (SIGKILL)
for cmd in `man -k . | cut -d ' ' -f1 | shuf`; do
        man $cmd;
done