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Hi I installed both Windows XP and Linux Debian in my mother notebook and i setted linux as default as i wanted to learn to use it.
Now she got it back, but even if I tried I cannot change default OS; I looked for help in forums and online guides, but nothing I tried worked: it says "Permission Denied", and I was logged as root.
I also tried to reinstall XP, but obviously it doesn't change grub's settings...
Can u help me change it, or solve it someway?
There are two ways to change the default; both involve editing /boot/grub/menu.lst.
Near the top of the file, there is a line: default 0. Since grub numbering begins with 0, that means that the first OS listed is the default. To change that default,
a) count down to the OS you want to be the default (counting from zero) and change the default line to that number.
b) cut and paste the one you want as default to the top of the list, and leave the default at 0.
You must be root to edit menu.lst, and the write permission bit must be set.
Thx a lot for your answers , I already tried to change in /boot/grub/menu.lst, after "su root" and psw, it changes user but then it says "permission denied"... maybe I did something wrong with command line?
How must I set write permission? Sorry for ignorance
and thx again!