text: #define NPROC        64  // maximum number of processes
  #define KSTACKSIZE 4096  // size of per-process kernel stack
  #define NCPU          1  // maximum number of CPUs DEFAULT 8
  #define NOFILE       16  // open files per process
  #define NFILE       100  // open files per system
  #define NINODE       50  // maximum number of active i-nodes
  #define NDEV         10  // maximum major device number
  #define ROOTDEV       1  // device number of file system root disk
  #define MAXARG       32  // max exec arguments
  #define MAXOPBLOCKS  10  // max # of blocks any FS op writes
  #define LOGSIZE      (MAXOPBLOCKS*3)  // max data blocks in on-disk log
  #define NBUF         (MAXOPBLOCKS*3)  // size of disk block cache
  #define FSSIZE       1000  // size of file system in blocks
  
  