Figure 9: sysdef Output from SCO UNIX System V/386

# sysdef
*
* i386 Configuration
*
*

* Tunable Parameters

*
0  buffers in buffer cache (NBUF)
30  entries in callout table (NCALL)
500  inodes  (NINODE)
500  s5inodes  (NS5INODE)
500  entries in file table (NFILE)
16  entries in mount table (NMOUNT)
300  entries in proc table (NPROC)
1200  entries in shared region table (NREGION)
120  clist buffers (NCLIST)
50  processes per user id (MAXUP)
256  hash slots for buffer cache (NHBUF)
20  buffers for physical I/O (NPBUF)
50  size of system virtual space map (SPTMAP)
16  fraction of memory for vhandlow (VHNDFRAC)
0  maximum physical memory to use (MAXPMEM)
10  auto update time limit in seconds (NAUTOUP)
60  maximum number of open files per process (NOFILES)
384  number of streams queues (NQUEUE)
128  number of streams head structures (NSTREAM)
8  number of 4096 bytes stream buffers (NBLK4096)
32  number of 2048 bytes stream buffers (NBLK2048)
32  number of 1024 bytes stream buffers (NBLK1024)
32  number of 512 bytes stream buffers (NBLK512)
64  number of 256 bytes stream buffers (NBLK256)
128  number of 128 bytes stream buffers (NBLK128)
256  number of 64 bytes stream buffers (NBLK64)
128  number of 16 bytes stream buffers (NBLK16)
256  number of 4 bytes stream buffers (NBLK4)
4096  maximum size of user's virtual address space in
pages (MAXUMEM)
4096  for package compatibility equal to MAXUMEM (MAXMEM)
25  page stealing low water mark (GPGSLO)
40  page stealing high water mark (GPGSHI)
31  page aging interval (AGEINTERVAL)
30  bdflush run rate (BDFLUSHR)
25  minimum resident memory for avoiding deadlock
(MINARMEM)
25  minimum swapable memory for avoiding deadlock
(MINASMEM)
1  maximum number of pages swapped out (MAXSC)
1  maximum number of pages saved (MAXFC)
*

* Utsname Tunables

*
3.2  release (REL)
choreo  node name (NODE)
choreo  system name (SYS)
2  version (VER)

*

* Streams Tunables

*
64  number of multiplexor links (NMUXLINK)
9  maximum number of pushes allowed (NSTRPUSH)
256  initial number of stream event calls (NSTREVENT)
1  page limit for event cell allocation (MAXSEPGCNT)
4096  maximum stream message size (STRMSGSZ)
1024  max size of ctl part of message (STRCTLSZ)
80  max low priority block usage (STRLOFRAC)
90  max medium priority block usage (STRMEDFRAC)
*

* RFS Tunables

*
10  entries in server mount table (NSRMOUNT)
*

* IPC Messages

*
100  entries in msg map (MSGMAP)
2048  max message size (MSGMAX)
4096  max bytes on queue (MSGMNB)
50  message queue identifiers (MSGMNI)
8  message segment size (MSGSSZ)
40  system message headers (MSGTQL)
1024  message segments (MSGSEG)
*

* IPC Semaphores

*
10  entries in semaphore map (SEMMAP)
10  semaphore identifiers (SEMMNI)
60  semaphores in system (SEMMNS)
30  undo structures in system (SEMMNU)
25  max semaphores per id (SEMMSL)
10  max operations per semop call (SEMOPM)
10  max undo entries per process (SEMUME)
32767  semaphore maximum value (SEMVMX)
16384  adjust on exit max value (SEMAEM)
*

* IPC Shared Memory

*
524288  max shared memory segment size (SHMMAX)
1  min shared memory segment size (SHMMIN)
100  shared memory identifiers (SHMMNI)
6  max attached shm segments per process (SHMSEG)
512  max in use shared memory (SHMALL)
*

* File and Record Locking

*
100  records configured on system (FLCKREC)