assalam o alaikum

jese expert jante honge ke koi khass software hote hain ju
sirf usb ki tarhan aik dongal se hi chalte hain pochna ye hai ke
kia hum kisi software ka khud se dongal bana sakte hain
koi empty usb le kar us ko dongal banaya jaa sakta hai ?
Agar kisi expert ko pata ho tu zaror batain plz