anybody know abt Segmentation Fault - core dumped in solaris 5.10..wats this error??

The core dump will occur due to Invalid memory reference.

Check your code,

1. is the string variables are initialized?
2. is the Pointer references are assigned before use?

If you have the core file you can start with a "pstack core" to see what the application was doing at the time.

The Load core file on the debugger i.e dbx core then type
where -- which will give the stack trace

Without a debugger, you can still get some information about the core file:

file core
pflags core
pstack core
pldd core