make_normal      &&
default_install  &&
## install configuration files. ##
if  [  !  -f  /etc/zshenv  ]  ;  then
  install  -m 644  $SCRIPT_DIRECTORY/zshenv  /etc
fi  &&
if  [  !  -f  /etc/zshrc  ]  ;  then
  install  -m 644  $SCRIPT_DIRECTORY/zshrc  /etc
fi
if  [  !  -f  /etc/zprofile  ]  ;  then
  install  -m 644  $SCRIPT_DIRECTORY/zprofile  /etc
fi  &&
install_shell zsh /bin/zsh
