去除重复sort file |uniq 查找非重复 sort file | uniq -u 查找重复 sort file | uniq -d 统计 sort file | uniq -c 相关文章： 2021-11-12 2022-12-23 2021-12-28 2021-12-28 2021-12-14 2021-11-30 2021-04-10 2021-10-12