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Note: A new GRASS GIS stable version has been released: GRASS GIS 7.6, available here.
Updated manual page: here

Topic: null data

r.null	Manages NULL-values of given raster map.
r3.null	Explicitly create the 3D NULL-value bitmap file.

See also the corresponding keyword null data for additional references.

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Note: A new GRASS GIS stable version has been released: GRASS GIS 7.6, available here.
Updated manual page: here

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© 2003-2019 GRASS Development Team, GRASS GIS 7.2.4svn Reference Manual