unable to create a file more than 2 GB

[Pradep]

got it.
I t was being set in /etc/profile. removed from there. still it was same after login.
so done "ulimit -H unlimited" from root account. now its ok for all users.
So kernel parm needed.

i also came across a thread that it is set for 2GB max in KSH shell, is some version/release of OS. and fixed by a patch in later releases.

thanks everybody.
Thread will be closed and points assigned.