Linux/Unix

# find process id and program name for listening ports

    sudo netstat -tulpn

# list the EXE for the given process ID where ##### = process ID

    ls -l /proc/#####/exe

# install a .deb file

    sudo dpkg -i package_file.deb

# uninstall

    sudo apt-get remove package_name

# sync files FROM remote server TO local server

    rsync -azP [user]@[remote-server]:/path/on/remote/server /path/on/local/server/

# sync files FROM local server TO remote server

    rsync -azP /path/on/local/server/ [user]@[remote-server]:/path/on/remote/server/

# create tar file

	tar -czvf TarFileName.tar.gz /directory/to/tar/

	tar -czvf TarFileName.tgz *.pdf

# extract tar file

	tar -xzvf TarFileName.tar.gz

	tar -xzvf TarFileName.tar.gz -C /tmp/