when i perform a installation
 

when i perform a installation check ,some fatal wrong was gived .
but i don not konw how to set the path in .OpenFOAM-1.1/bashrc file .
please help me .

That is really simple. (Set
 

That is really simple.

(Set: show the invisile File)
Open the bashrc-file in your home-folder with e.x. "gedit"

add at the end(like its written in the Readme)

. $HOME/OpenFOAM/OpenFOAM-1.1/.OpenFOAM-1.1/bashrc

and save.
Now you need the execute the settings. You can do that by restart linux.