

if under_zsh; then
alias  X="export DISPLAY=linux1:0"
alias  Xb="export DISPLAY=linux6:0"
alias  Xc="export DISPLAY=linux12:0"

else
alias  X="server=linux1 ; export  DISPLAY=\\\$server:0"
alias  Xb="server=linux6 ; export  DISPLAY=\\\$server:0"
alias  Xd="server=dell ; export  DISPLAY=\\\$server:0"
alias  Xc="server=linux12 ; export  DISPLAY=\\\$server:0"
alias  X3="server=linux3 ; export  DISPLAY=\\\$server:0"
fi


function x (){
# bug:  $1 not defined !!!  $# = 0
if [ -z $1 ];
then
      #export  DISPLAY=:0;
      server=''
else
    case $1 in
	"^$")
	    server=''
	;;
	[0-9]*)
	    server=linux$1
	;;*)
	    server=$1
    esac
fi
export  DISPLAY=$server:0;

}

