Photoshop d aseɣẓan n ubeddel d useqdec n tugniwin, d wunuɣ yullen s uselkim (DAO) i d-yeẓreg Adobe. Yettwaseqdac s waṭas i usker n tfarut tumḍint, maca daɣen i usuffaɣ n tugniwin timaynutin. Photoshop d aseɣẓan i yesseqdacen tugniwin tusriwin (Bitmap) acku tugniwin-agi gant am iẓiki n irden iwumi neqqar Pixel: aferdis n tugna. Photoshop yuɣal yesɛa azal ameqqṛan ger isenselkimen acku yesɛa aṭas n testayin tinezmarin, ifecka udlifen lɛali, tura iɣerbazen yesselmaden aseqdec n useɣẓan n photoshop ufrarend s waṭas, gar-asen iɣerbazen imeqqṛanen, asuday n "Les Beaux Arts" d tifurra n merru. Adobe tesnefli aseɣẓan photoshop i Microsoft Windows d Mac OS kan, maca lqem CS4 yezmer ad yettuselkem di Linux s Wine. (Kemmel leqraya...)