// Aula 2 - Manuseando as atualizações de pacotes no Ubuntu

# vim /etc/apt/sources.list

# apt update

# apt upgrade -y

# apt-get dist-upgrade -y

# apt full-upgrade

# ls -l /var/cache/apt/archives/

# cd /var/cache/apt/archives/

# dpkg -c tcpdump*

# dpkg -l tcpdump

# man tcpdump

# apt autoclean

# apt clean

# ls -l

# apt remove wget

# apt purge wget