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App Console view
Use the App Console view to interact with the console I/O capabilities provided by the semihosting implementation in the Arm C libraries. To use this feature, you must enable semihosting support in the debugger.
15-1 App Console view
Note Default settings for this view, for example the maximum number of lines to display, are controlled by the Arm® Debugger option in the Preferences dialog box. You can access these settings by selecting Preferences from the Window menu.