PCLinuxOS is distributed as a Live CD, which can also be installed to a local hard disk drive or USB flash drive. Since version 2009.1, provides a USB installer to create a Live USB, where the user's configuration and personal data can be saved if desired. A live USB of older versions of PCLinuxOS can be created manually or with UNetbootin. The entire CD can be run from memory, assuming the system has sufficient RAM. PCLinuxOS uses APT-RPM, based on APT (Debian), a package management system (originally from the Debian distribution), together with Synaptic Package Manager, a GUI to APT, in order to add, remove or update packages. If there is enough memory on the machine, and an active network connection, the Live CD can update packages. PCLinuxOS is also designed to be easy to remaster after installation, creating one's own personalized Live CD, using the mylivecd tool.