Some important commands in Ubuntu

Note: Any highlighted contents implies that it is to be written in the CAPITALS.

To check the battery status: 

• upower -i /org/freedesktop/UPower/devices/battery_BAT0

• upower -i `upower -e | grep 'BAT'`

To check the battery current health status:

• sudo apt-get install acpi
• acpi -V

Check more commands associated with acpi:

• acpi --help

Check CPU Details:

• sudo dmidecode |grep Version