1) How to install .bin file
sudo chmod u+x *.bin
sudo -s ./*.bin
2) How to get permission to write root file
sudo gedit /*/*
such as: sudo gedit /etc/profile
3) check lid state
/proc/acpi/button/lid/LID0/state
cat /proc/acpi/button/lid/LID0/state
4) ubuntu deb package
install
sudo dpkg -i *.deb
uninstall
sudo dpkg -r package_name
5) ubuntu 安装应用程序
sudo apt-get install program_name
sudo apt-get -f install program_name
6) ubuntu 删除目录
rm -fr dir
7) 有时会找不到应用程序在哪,以下是全部
usr/share/applications
8) check Power Statistics
Alt+F2,输入“gnome-power-statistics”