# qtile > A full-featured, hackable tiling window manager written and configured in Python. > More information: . - Start the window manager, if it is not running already (should ideally be run from `.xsession` or similar): `qtile start` - Check the configuration file for any compilation errors (default location is `~/.config/qtile/config.py`): `qtile check` - Show current resource usage information: `qtile top --force` - Open the program `xterm` as a floating window on the group named `test-group`: `qtile run-cmd --group {{test-group}} --float {{xterm}}` - Restart the window manager: `qtile cmd-obj --object cmd --function restart`