Always read process output
Windows: Omit QProcess::terminate() which can hang
Start automatic command tester once
Clean up command after finished
Action as QObject
Windows: Send command input indirectly

Application can hang if the stdin is sent immediately.
Nicer default style for selected tab in tab tree

Selected item in tab tree shouldn't cover open/close branch
decoration and control element.
Allow to quickly disable global shortcuts for a command
Add icons for important check boxes in command dialog