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It is based on explicit memory allocation. When the .app file has been parsed, OS_Fma finds memory area according desired length and offset. Those area areas are allocated by OS_Axm and binaries are copied to them with OS_Mv (file to memory). Memory handle, number of installed applications, first application DOR are stored in an installation handle (OZ 4.6 and newer). Each installation leaves two handles open: the memory handle (type 3) and the installation handle (type 7). It ends by chaining the application DORs to the previous installed or to the application front device :APP.-.
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