ormaaj 1652620528 learn # ksh -c 'builtin head; set +m; { head -c 16 /dev/urandom | tee >(od -A n -t x1 >&3) | { typeset -b x; read -rN 16 x; }; printf %B x | od -A n -t x1; } 3>&1' # store 16 bytes from /dev/urandom into x and print its value.