Partitioning a hard drive consists of dividing it to create the space needed to install your new system.  You need to choose which partition(s) will be used for the installation.
Beṭṭu n unuḍaf aqquran yewwi-d ad yettwabḍu i tmerna n tallunt yettusran i usebded n unagraw-inek·inem amaynut. Tesriḍ ad tferneḍ anwa aḥric(anwi iḥricen) ara yettusqedcen i usebded.