摘要：
1.$0-$9及$# $@的使用demo_arg 内容#!/bin/bashecho "程序名:$0"echo "命令传递参数个数:$#"echo "参数值分别是:$1 $2 $3 $4 $5 $6 $7 $8 $9"echo "所有参数:$@"exit 0终端命令：$chmod u+x demo_arg$./demo_arg a b c d e f g h i2.set用法demo_set内容#!/bin/bashfilename="$1"set $ (ls -il $filename)ino 阅读全文
