sysadmin.sh

#!/bin/bash

ver(){
cat /proc/version
}

mem(){
cat /proc/meminfo
}

part(){

cat /proc/partitions
}

   X=`dialog --title "pick a choice" --stdout --menu "Please Choice one:" 15 45 5 V "Display the version information" M "Display the memory information" P "Display the partition infomation" Q "Quit"`
   clear
   case $X in
   V) ver ;;
   M) mem ;;
   P) part ;;
   Q) exit 2
   esac