source 命令与“ . ”点命令时间:2023-03-08 20:01:53 http://wenku.baidu.com/link?url=r3_WjJwQziv5wooIiatYbIMotPHcop56ZyakNGFor5DgJLQD-orAwVmOwp80RAnJ3tRDAYkisKonfVusS2N6lfmoSgVLRhaadyd9xMLz0xi