This OS supports multitasking.
multitasking; doing multiple things at once
Describes a person who handles several tasks simultaneously or an activity done concurrently with others.
彼女はマルチタスクが得意だ。
She is good at multitasking.
料理をしながら電話するのはマルチタスクだ。
Cooking while talking on the phone is multitasking.