/usr/libexec/os-probes/mounted
NameSizeModeActions
efi/-0755rm
05efi20730755editdlrm
10freedos5170755editdlrm
10qnx3900755editdlrm
20macosx8420755editdlrm
20microsoft34470755editdlrm
30utility8630755editdlrm
40lsb8910755editdlrm
70hurd2470755editdlrm
80minix4310755editdlrm
83haiku8840755editdlrm
90linux-distro57340755editdlrm
90solaris3850755editdlrm
Edit: /usr/libexec/os-probes/mounted/10freedos (517B)
#!/bin/sh . /usr/share/os-prober/common.sh partition="$1" mpoint="$2" type="$3" # Weed out stuff that doesn't apply to us case "$type" in vfat) debug "$1 is a FAT32 partition" ;; msdos) debug "$1 is a FAT16 partition" ;; fat) debug "$1 is a FAT partition (mounted by GRUB)" ;; *) debug "$1 is not a FAT partition: exiting"; exit 1 ;; esac if item_in_dir -q kernel.sys "$2" && item_in_dir -q command.com "$2"; then label="$(count_next_label FreeDOS)" result "$1:FreeDOS:$label:chain" exit 0 else exit 1 fi