#!/usr/bin/sh type getarg > /dev/null 2>&1 || . /lib/dracut-lib.sh getarg "rd.cmdline=ask" || exit 0 sleep 0.5 echo sleep 0.5 echo sleep 0.5 echo echo echo echo echo "Enter additional kernel command line parameter (end with ctrl-d or .)" while read -r -p "> " ${BASH:+-e} line || [ -n "$line" ]; do [ "$line" = "." ] && break [ -n "$line" ] && printf -- "%s\n" "$line" >> /etc/cmdline.d/99-cmdline-ask.conf done exit 0