how to change delay timing and boot session GRUB

this tutorial to change GRUB delay timing and boot session on dual booting

1. edit GRUB configuration file, /etc/default/grub,

example

# vim /etc/default/grub

2. to change GRUB time out, edit on GRUB_TIMEOUT (in second), fill with your time.

3. to change boot session booting, edit on GRUB_DEFAULT (first is = 0). please pay attention on what session your OS before apply any changes.

4. Save, recompile your GRUB by type this line below :

# update-grub

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Installing Qualcomm Atheros AR8162 Fast Ethernet Driver on Lenovo G400

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