+--- Returns the system type, cpu name and installed physical memory.
+-- @return String containing the system or platform identifier
+-- @return String containing hardware model information
+-- @return String containing the total memory amount in kB
+-- @return String containing the memory used for caching in kB
+-- @return String containing the memory used for buffering in kB
+-- @return String containing the free memory amount in kB
+-- @return Number containing free memory in percent
+-- @return Number containing buffer memory in percent
+-- @return Number containing cache memory in percent