About child pages (help)

Hi every body, how r u?

I have this pages serial

Computer (parent)
–child– Windows
–child– Linux
–child– Mac
–child– Dos
–child– Lindows

I want the code, that provides me with brother pages of current page I’m in

for example, if I’m in Windows page, the code shows me the list

Windows – Linux – Mac – Dos – Lindows

can any one help me ??

and thank you for reading 🙂