Answer / krishnakumarnair

The truss utility executes the specified command and pro-
duces a trace of the system calls it performs, the signals
it receives, and the machine faults it incurs. Each line
of the trace output reports either the fault or signal
name or the system call name with its arguments and return
value(s).
System call arguments are displayed symbolically when
possible using defines from relevant system headers; for
any path name pointer argument, the pointed to string is
displayed.

Note: truss is basically for tracing system calls

Answer / p.r.l.prasanna

truss scan the systemcalla for command

Answer / manas behera

truss->trace system calls and signals

The truss utility executes the specified command and
produces a trace of the system cals it performs, the
signals it receives,and the m/c faults it incures.

Answer / splider

To find OBP version

# prtdiag -v | grep OBP

Answer / alok kumar

There are several ways to check the level of OBP on a SPARC
system -- here are Four alternatives:

At the OK prompt, type .version and baner to print the OBP
version.
In a Solaris shell, type either:
prtconf -V to print the OBP version.
prtconf -pv | grep OBP to print OBP and POST versions.

Answer / lochan

How to findout PROM versin of Solaris OS?

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