You have several ways to select a task from Talend Studio main window. You can, for example, use:
a menu - submenu combination, or
a toolbar icon, or
a right-click list, or
Example 1: To show a view in Talend Studio main window, either:
use the Window > Show View... menu - submenu combination, or,
use the Alt+Shift+Q, Q shortcut key.
Example 2: To execute a job, a route or an analysis, do one of the followings :
use the run icon on the toolbar, or
right-click the job, route or analysis you want to execute and select the run option from the contextual menu, or
use the F6 shortcut key.