QGIS/resources/qgis_global_settings.ini

[qgis]
# If true, added layer names will be automatically capitalized and underscores replaced with spaces
formatLayerName=false

# Snapping enabled by default
digitizing\default_snap_enabled=false

# Default snapping tolerance (distance)
digitizing\default_snapping_tolerance=12.0

# Default snap to type
# 1 = Vertices only
# 2 = Vertices and segments
# 3 = Segments only
digitizing\default_snap_type=1

# Default snapping unit
# 0 = Layer units
# 1 = Pixels
# 2 = Project units
digitizing\default_snapping_tolerance_unit=1

# Default XYZ tile servers to include
connections-xyz\OpenStreetMap\authcfg=
connections-xyz\OpenStreetMap\password=
connections-xyz\OpenStreetMap\referer=
connections-xyz\OpenStreetMap\url=http://a.tile.openstreetmap.org/{z}/{x}/{y}.png
connections-xyz\OpenStreetMap\username=
connections-xyz\OpenStreetMap\zmax=19
connections-xyz\OpenStreetMap\zmin=0