Package: debian-handbook Version: 8.20151209 Priority: wishlist The "8.8.3. GRUB 2 Configuration" section mentions the /etc/grub.d/50_custom file. The actual file in Jessie is called /etc/grub.d/40_custom, as can be seen here:
https://packages.debian.org/jessie/amd64/grub-common/filelist Regards, ~~helix84
