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Pam_usb uninstall

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linux-howto

http://crunchbang.org – Salutation twin! welcome to the forums , glad you are flying #! with us  I am not quite sure which GRUB startup , you mean GRUB menu entry ! if that what you mean .. then from that menu choose recovery mode , from the next menu select > Drop to a root shell .you can remove the tool with this command :apt-get remove --purge libpam-usb pamusb-tools (HowTos)