$ find -help find: illegal option -- husage: find [-H | -L | -P] [-EXdsx] [-f path] path ... [expression] find [-H | -L | -P] [-EXdsx] -f path [path ...] [expression]如上,谁能详细解释一下各个符号的意思,以及怎么用,刚学Linux,不明白
[-H|-L|-P]等这种是什么意思