The best replacement for boot disk is recovery disk.

The best alternatives to boot disk are rated as following:
★★★★★  recovery disk
★★★★★  system disk
★★  floppy
★  windows boot disk

Your alternative for boot disk is not listed? Suggest!
Speaking about boot disk, one probably shouldn't forget about fdisk.

Other search terms related to boot disk and their ratings are:
★★★★★ fdisk
★★★ format
★ ghost
★ floppy drive
windows 98
drive
You have in mind a companion for boot disk and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of boot disk in all years. Click on graph for more.
boot disk
recovery disk
system disk