#!/bin/bash
test(){
        x=0
        while [ $x -le 9 ]
        do
                echo "$1"
                let x=x+1
        done
}
test $1

#!/bin/bash
x=0
while [ $x -lt 1 ]
do
        echo -n "please answer the question:"
        read answer
        case "$answer" in
        [eE][xX][iI][tT])
                break
        ;;
        *)
        ;;
        esac

done

1.使用for循环，在所有服务器上，添加10个目录，目录的位置为/data/name_dir/ ,10个目录的名字为test,fir,wo,wl,wlop,name1,op,sd,dfe,wer

2.在以上目录下面，各自拷贝/etc/下面的所有文件

3.将拷贝的这些文件，都给予777的权限

===========================================================================================================

#!/bin/bash
name=(test fir wo wl wlop name1 op sd def wer)
for i in $(seq 0 9)
do
        mkdir "${name[$i]}"
        cp -a /etc/* ./"${name[$i]}"/
        chmod -R 777 ./"${name[$i]}"/*
done

#!/bin/bash
a=$1
case "$1" in
status)
        /etc/init.d/httpd status
;;
start)
        /etc/init.d/httpd start
;;
stop)
        /etc/init.d/httpd stop
;;
*)
        echo "USEAGE:$0 (status|start|stop)"
;;
esac

#!/bin/bash
value=`ps aux|grep httpd|grep -v grep -c`
#echo "$value"
if [ $value -eq 0 ];then
        /etc/init.d/httpd start && echo "httpd off">>httpdoff
        /bin/date >>httpdoff
else
        echo "httpd exist" >>httpdon

#!/bin/bash
file=(`ls /etc/init.d/`)         #定义数组
num=`ls /etc/init.d|wc -l`   #计数该数组的总数
x=0                                 #初始化计数器
while [ $x -le $num ]          #设定循环条件
do
        echo "${service[$x]}"
        let x=x+1
done
echo "$num"