1.可以输入:md5 --help, 查看帮助
md5: illegal option -- -
usage: md5 [-pqrtx] [-s string] [files ...]
2.字符串输入:md5 -s admin
MD5 ("admin") = 21232f297a57a5a743894a0e4a801fc3
1.可以输入:md5 --help, 查看帮助
md5: illegal option -- -
usage: md5 [-pqrtx] [-s string] [files ...]
2.字符串输入:md5 -s admin
MD5 ("admin") = 21232f297a57a5a743894a0e4a801fc3