[GRASSLIST:7674] raster layers to one

Hi,
I've some raster layers (srtm tiles, which are elevation data) I would like to join together to one single raster layer. How can I do that?

/martin

I've some raster layers (srtm tiles, which are elevation data) I would
like to join together to one single raster layer. How can I do that?

g.region rast=map1,map2,map3,map4

r.patch in=map1,map2,map3,map4 out=mosaic

Hamish