After I have removed libusb-0.1-4 packet, I tried to install a new one when I realized that I have also removed apt-get.
tbarry@darkstar:~$ sudo apt-get install libusb-1.0-0
sudo: apt-get: command not found
tbarry@darkstar:~$ sudo aptitude install libusb-1.0-0
sudo: aptitude: command not found
could someone know how to reinstall apt without apt?