PC Solaris 2.4 version

Hi floks:
I am new user here. I use the binary release for Solaris 2.1 x86 in my system.
My system run Solaris 2.4 for x86. After I uncompressd the binary release, I
got a problem. When I type "GRASS_INSTALL", I got a
message:GRASS_INSTALL:test:expected arguments. Do you can help me to solve this
problem.

Thank You your help
Bob Lee