Chromebook’s taskbar is called “Shelf”. The Shelf sits at the bottom of your Chromebook’s screen by default. You can change this by right-clicking the taskbar and choosing the new position. You can also hide the taskbar. This article explains how to do this.
Autohide Chromebook Taskbar
It is possible to make the Chromebook taskbar appear only when you mouse over the taskbar area. You can do this when your taskbar is at the bottom of the screen or the side.
To make the taskbar autohide, right-click the taskbar and choose Autohide shelf.
Change the Position of Chromebook’s Taskbar (aka Shelf)
By default, the Chromebook Shelf appears at the bottom of your Chromebook’s screen. You can move this to the left or right of your screen.
To do this, right-click the Shelf and choose Left or Right.
To bring it back to the bottom of your screen, right-click the Shelf and choose Bottom again.
Please share your questions in the comments sections.