onstat -g osi: Print operating system information
Use the onstat -g osi command to display information on your operating system resources and parameters, including shared memory and semaphore parameters, the amount of memory currently configured on the computer, and the amount of memory that is unused.
Example Output
The onstat -g osi command also displays statistics on the hardware processors on your computer.
Use this command when the server is not online.
Figure 1. onstat -g osi Command
Output
Machine Configuration....
OS Name Linux
OS Release 2.6.9-34.ELsmp
OS Node Name idas
OS Version #1 SMP
OS Machine x86_64
Number of processors 4
Number of online processors 4
System memory page size 4096 bytes
System memory 7970 MB
System free memory 1536 MB
Number of open files per process 1024
shmmax 33554432
shmmin 1
shmids 4096
shmNumSegs 2097152
semmap << UnSupported >>
semids 128
semnum 32000
semundo << UnSupported >>
semNumPerID 250
semops 32
semUndoPerProc << UnSupported >>
semUndoSize 20
semMaxValue 32767