root@ubuntu:/# efibootmgr
BootCurrent: 0080
BootOrder: 0080
Boot0080* Mac OS X
BootFFFF*
root@ubuntu:/# efibootmgr -c
BootCurrent: 0080
BootOrder: 0080
Boot0080* Mac OS X
BootFFFF*
Boot0000* Linux
root@ubuntu:/# efibootmgr
BootCurrent: 0080
BootOrder: 0080
After running efibootmgr -c, some lines disappear from all the following outputs of efibootmgr.
root@ubuntu:/# efibootmgr
BootCurrent: 0080
BootOrder: 0080
Boot0080* Mac OS X
BootFFFF*
root@ubuntu:/# efibootmgr -c
BootCurrent: 0080
BootOrder: 0080
Boot0080* Mac OS X
BootFFFF*
Boot0000* Linux
root@ubuntu:/# efibootmgr
BootCurrent: 0080
BootOrder: 0080
After running efibootmgr -c, some lines disappear from all the following outputs of efibootmgr.