Running freesurfer from terminal with the following error: 

banikr2@banikr:~/freesurfer/bin$ ./freesurfer 

FreeSurfer is a set of tools for the analysis and visualization
of structural and functional brain imaging data. FreeSurfer
also refers to the structural imaging stream within the
FreeSurfer suite.

Users should consult the online documentation available at:

  http://surfer.nmr.mgh.harvard.edu

Alternatively, the 'recon-all' command help-text provides
adequate information to begin processing subject data, such
as the sample subject 'bert' found in the 'freesurfer/subjects'
directory.  Type 'recon-all --help' to view this help-text.

Direct comments and questions to:

  freesurfer@nmr.mgh.harvard.edu

You are running this version of FreeSurfer:

cat: /build-stamp.txt: No such file or directory