This is an example of the virtual memory layout after Sanos has started up. You can use the
cat /proc/virtmem command to display the virtual memory mapping.
start end size type description -------- -------- --------- ---- ---------------------------------------------------------------------------- 00010000 00010fff 4K TIB Thread information block for initial user mode thread 0010f000 00110fff 8K STK Stack for initial user mode thread 00111000 00111fff 4K HBLK Global user mode heap 00112000 00131fff 128K MALL Committed region of global user mode heap 02112000 02112fff 4K TIB Thread information block for kernel log deamon 02211000 02212fff 8K STK Stack for kernel log deamon 02213000 02220fff 56K UMOD Shell module (sh.exe) 02221000 02221fff 4K TIB Thread information block for shell process 0231f000 02321fff 12K STK Stack for shell process 7ff00000 7ff10fff 68K UMOD OS module (os.dll) 7ffdf000 7ffdffff 4K PEB Process environment block 80000000 80057fff 352K KMOD Kernel (krnl.dll) and network driver (rtl8139.sys) modules 90000000 90000fff 4K PTAB Page directory tables (sparse) 90008000 90008fff 4K PTAB 901ff000 90200fff 8K PTAB 90240000 90244fff 20K PTAB 90248000 90249fff 8K PTAB 90400000 90400fff 4K SYS System page (syspage). Contains TSS, GDT, IDT, and boot parameters 90401000 90401fff 4K PTAB Top-level page table with pointers to individual page directory pages. 90402000 90403fff 8K TCB Thread control block for initial kernel thead (later becomes idle thread) 90404000 90405fff 8K SYS Virtual address range allocations (osvmap and kmodmap) 90406000 90406fff 4K BAD Video buffer 90800000 908bffff 768K PFDB Page frame database with information about all physical memory pages 91000000 91000fff 4K HTAB Handle table that maps handles to kernel objects 92000000 92001fff 8K ALOC Start of kernel heap 92002000 92003fff 8K HEAP 92004000 92007fff 16K TCB Thread control blocks for system task (systask) and initial thread (init) 92008000 92008fff 4K HEAP 92009000 92009fff 4K ALOC 9200a000 9200afff 4K HEAP 9200b000 9200bfff 4K ALOC 9200c000 9200dfff 8K HEAP 9200e000 92016fff 36K ALOC 92017000 92416fff 4096K CACH Hard disk buffer cache 92417000 92417fff 4K HEAP 92418000 92419fff 8K TCB Thread control block for cache buffer writer (lazywriter) 9241a000 92423fff 40K NIC Ring buffers for network card 92424000 92454fff 196K RESV Mapping of BIOS area (0x000f0000) 92455000 92455fff 4K HEAP 92456000 92457fff 8K TCB Thread control block for ethernet packet transmit task (ethertask) 92458000 9245cfff 20K ALOC 9245d000 9245dfff 4K HEAP 9245e000 92463fff 24K TCB Thread control blocks for loopback adapter and user threads 92464000 92464fff 4K ALOC