Challenge_08

1.     Download the Google Earth package (.deb) for Ubuntu from this address: https://www.google.com/intl/en_in/earth/versions/
       Install the app using the locally downloaded .deb file and dpkg
       Start the application.
       Remove the Google Earth application using dpkg
       Install Google Earth again using apt and the deb file.
Sol.
ls
sudo dpkg -i google-earth-pro-stable_current_amd64.deb
dpkg-query -l | grep earth
sudo dpkg -P google-earth-pro-stable
sudo apt install ./google-earth-pro-stable_current_amd64.deb


2. Display all installed applications in your system.
   Take any linux command and check to which package it belongs.
   List all other files from that package.
Sol. 
dpkg-query -l
which stat
dpkg -S /usr/bin/stat
dpkg -L coreutils


3. Search for a package named squid in the official repositories and display information about it.
   Upgrade all applications assuming yes to each prompt.
Sol.
apt list | grep squid
apt show squid
sudo apt full-upgrade -y


4. Uninstall any package using apt.
   Remove all the dependencies in your system
Sol.
sudo apt purge google-earth-pro-stable
sudo apt autoremove