Able to skillfully use the shortcut key, we can use the workings of a full-screen, dispense with unnecessary panel position, make the vision more open, maximum use of screen space, I summarized the common selection tool under the shortcuts, hope to be of help,

Marquee -m, mobile -v, lasso -l, mobile - V, brush - B, pencil - N, pen - P, text - T, gradient - G

Straw - I, gripper -h, zoom - Z, cut out - C, dodge - O, gun - J, eraser - E, paint bucket - K