Oh,yes , i misunderstand it . Thank you 2012/7/3 Willie WY Wong > On Sun, Jul 01, 2012 at 10:41:12AM +0800, Penguin Lover 赵佳晖 squawked: > > I have use your method , it didn't work . > > Like: > > sudo echo "sys-boot/grub:2 **" >> > > /etc/portage/package.accept_keywords/package.keywords.grub2 echo > > "sys-boot/grub:2 **" | sudo tee > > /etc/portage/package.accept_keywords/package.keywords.grub2 > > > > And the result : > > zjhui@gentoo ~ $ ls -l > > /etc/portage/package.accept_keywords/package.keywords.grub2 > > -rw-r--r-- 1 root root 0 Jul 1 10:37 > > /etc/portage/package.accept_keywords/package.keywords.grub2 > > > > It's an empty file. > > I think you misread the e-mail. The left hand side below is what you > **shouldn't** do. The right hand side is what you **should** do. So > you **should** run > > echo "sys-boot/grub:2 **" | sudo tee > /etc/portage/package.accept_keywords/package.keywords.grub2 > > and no more. > > W > > > > > > If Neil is right, you may want to read man tee. It work roughly like > > > that: > > > instead of do > > > sudo echo sthg > /etc/file.cfg echo sthg | sudo tee /etc/file.cfg > > > sudo echo sthg >> /etc/file.cfg echo sthg | sudo tee -a /etc/file.cfg > > > -- 好好学习,天天向上!!!