Inter Unix 0. Install AFNI and the AFNI_data6 class data tree. A. Install AFNI (beyond the scope of this tutorial). To install AFNI, please see HowTo #0. For help with installation difficulties, please search or post to the AFNI Message Board. more details B. Install the AFNI_data6 class data tree under the $HOME directory. This tutorial relies on the AFNI_data6 directory tree. In a typical AFNI bootcamp, the AFNI_data6 directory will be put under the $HOME directory, which is assumed in this tutorial. If you do not yet have the data, use the following commands to download it and place it in the $HOME directory: cd curl -O http://afni.nimh.nih.gov/pub/dist/edu/data/AFNI_data6.tgz tar xzf AFNI_data6.tgz more details At this point, it is assumed that AFNI_data6 is located in the $HOME directory, and that the AFNI binaries are installed. The user should have a termial window open for typing commands.