摘要：1.file title:#!/bin/bash2.input:echo $1echo $23.if# ifif [ "$1" = "N" ]then echo normalelif [ "$1" = 1 ]then echo 'case1'elif [ -n "$1" ]then echo 'ot... 阅读全文

摘要：1.mansearch some linux cmd, using man "command" or command --help.2.findfind path -name "*.txt" // 在path下面查找 *.txt文件.嵌套查找:find `find . -name res` -nam... 阅读全文