零零碎碎写的脚本（五）显示磁盘信息脚本

#!/bin/bash
# author by sysk

cat << EOF
d|D) show disk usages.
m|M) show memory usages.
s|S) show swap usages.
*) quit
EOF

read -p "Your choice:" CHOICE
case $CHOICE in
d|D)
   echo "Dsik usages:"
   df -Ph
   ;;
m|M)
   echo "Memory usage:"
   free -m |grep "Mem"
   ;;
s|S)
   echo "Swap usage:"
   free -m |grep "Swap"
   ;;
*)
   echo "Unknown.."
   exit 9
   ;;
esac