Are Oka and Ku’s cursive scripts the same?

Looking at the cursive writing methods of different calligraphers, most of them are the same.

Supplementary information:

Cursive script is a font of Chinese characters, which has two meanings: broad and narrow. Broadly speaking, regardless of age, all scrawled words are counted as cursive writing. In a narrow sense, that is, as a specific font, it was formed in the Han Dynasty and evolved on the basis of official script for the convenience of writing.

About the Eastern Jin Dynasty, in order to distinguish it from the new cursive script at that time. The cursive script of the Han Dynasty is called Zhangcao. The new cursive script is relatively called Jincao, which is divided into big grass (also called crazy grass) and small grass. It feels beautiful in the madness. As Li Zhimin said: "Be present in the pond, learn from the principles, learn from things, get from the heart, understand the image, and then enter the wonderful realm of cursive script."

Because the glyphs of cursive script are too simple, they are easily confused with each other. , so it cannot replace official script and become the main font, just like official script replaced seal script.